- Evolution Equations, edited jointly with G. Goldstein and F. Neubrander, Lecture Notes in Pure and Applied Mathematics, 168, Marcel Dekker, New York, 1994.
- Differential Geometry and Control, edited jointly with R. Gardner, H. Hermes and H. Sussmann, Proc. Symposia Pure Mathematics, 64, American Mathematical Society, Providence, RI, 1999.
- "On the Degenerate Partial Differential Equations of Stochastic Nonlinear Filtering", Communications in P.D.E., Vol. 10, No. 6, (1985), pp. 555-634.
- "On the Weak Cauchy Problem in the Large for Semilinear Degenerate Parabolic Equations", Boll. Unione Mat. Italiana, Vol. 7, Part 1-B (1987), pp. 571-589.
- "A Wong-Zakai Type Theorem for Certain Discontinuous Semimartingales", Journal of Theoretical Probability, Vol. 2, No.3, (1989), pp. 313-323.
- "Approximation of Stochastic Equations Driven by Predictable Processes", Probability Theory and Related Fields, Vol. 83 (1989), pp. 391-403.
- "The Optimal Control Problem for the Vidale-Wolfe Advertising Model Revisited", Optimal Control Appl. and Methods, Vol. 11 (1990), pp. 363-368.
- "Optimal Advertising in Growing-Stabilizing Markets", (with J.R.Dorroh), Optimal Control Applications and Methods, Vol. 14 (1993) pp. 221-228.
- "Optimal Advertising in Exponentially Decaying Markets", (with J.R.Dorroh), Journal of Optimization Theory and Applications, Vol. 79, 2 (1993), pp. 219-236.
- "A Simple Free Boundary Problem in $R^d$", (with Omar Hijab), SIAM Journal on Control and Optimization, Vol. 32, No. 2 (1994) pp. 501-515.
- "A Multi-state, Multi-control Problem with Unbounded Controls", (with J.R. Dorroh), SIAM Journal on Control and Optimization. Vol. 32, No. 5 (1994) pp.1322-1331.
- "Smooth Fit for Some Bellman Equations",(with O. Hijab), Pitman Research Notes in Math., Vol. 324 (1995) pp. 116-122.
- "Piecewise $C^1$ Viscosity Solutions of Some Bellman Equations", (with J. R. Dorroh), Communications in Applied and Nonlinear Analysis, Vol. 4 (1997) pp. 63-65.
- "A Free Boundary Problem in $R^d$ with Both Smooth and Nonsmooth Fit",(with J. R. Dorroh), SIAM Journal on Control and Optimization, Vol. 36, No. 2, (1998) pp. 579-589.
- "A Technique for Stochastic Control Problems with Unbounded Control Set", (with J. R. Dorroh and P. Sundar), J. Theoretical Probability, Vol. 12 (1999) pp. 255-270.
- "Control Optimo Determinista Via Programacion Dinamica", (with J. Pascal) (spanish with english abstract), Divulgaciones Matematics, vol. 7, No. 2, 1999.
- "Comparison of Solutions of Stochastic Equations and Applications ", (with P. Sundar), Stochastic Analysis and Applications, Vol. 18, No. 2, (2000) pp. 211-229.
- "Comparison of Stochastic Volterra Equations ", (with P. Sundar),
to appear in Bernoulli.
##### Other refereed articles:

- "Robust Nonlinear Filtering for a Problem with Unbounded Signal" (with H. J. Sussmann), Proc. of the 20th IEEE Conference on Decision and Control, vol.1, San Diego, California, Dec. 1981.
- "The Robust Equation Approach to Multidimensional Stochastic Nonlinear Filtering", Probability Theory on Vector Spaces III, Lecture Notes in Mathematics 1080, (1983), pp. 46-60.
- "The Robust Equation of Nonlinear Filtering", Proc. of the 1984 American Control Conference, San Diego, California, June 1984, pp. 1470-1474.
- "Smoothness of the Unnormalized Conditional Measures of Stochastic Nonlinear Filtering", Proc. of the 23rd IEEE Conference on Decision and Control, Las Vegas, Nevada, Dec. 1984, pp. 705-711.
- "Stochastic Integral Equations Controlled by COLLOR Precesses", Proc. 26th IEEE Conference on Decision and Control, Los Angeles, California, Dec. 1987, pp. 769-770.
- "Optimal Advertising in a Time-Varying Market", (with J.R.Dorroh), 31st IEEE Conference on Decision and Control, Tucson, Arizona, Dec. 1992, pp. 2429-2431.
- "An Optimal Synthesis with Ordered Simultaneous Impulses", Proceedings of the 32nd IEEE Conference on Decision and Control, San Antonio, Texas, Dec. 1993, pp. 3797-3799.
- "Diffusions with Positive Unbounded Controls",(with J. R. Dorroh and P. Sundar),Proceedings of the 33rd IEEE Conference on Decision and Control, Orlando, Florida, Dec. 1994, pp.2591-2593.
- "Linear-Convex Singular Control in Two Dimensions", (with O. Hijab) Proceedings of the 33nd IEEE Conference on Decision and Control, Orlando, Florida, Dec. 1994, pp.2600--2602.
- "Stochastic Problems with Unbounded Control Set", (with J. R. Dorroh and P. Sundar), Proceedings of the 28th IEEE Southeastern Symposium on System Theory, Baton Rouge, April 1996, pp.170-174.
- "Stochastic Control Problems with Unbounded Control Set", (with J. R. Dorroh and P. Sundar) Proceedings of the IEEE SOUTHEASTCON'96, Tampa, April 1996.
- "The Mathematics Behind the 1997 Nobel Prize in Economics" (an article directed to the general public), e-MATH, What's New in Mathematics (an electronic magazine of the Amer. Math. Soc.), Dec 1997, ( Article )
- " Pathwise Comparison of Arithmetic Brownian Motions and Log-normal Processes", (with P. Sundar), Stochastic Analysis, Control, Optimization and Applications: A Volume in Honor of W.H. Fleming, W.M. McEneaney, G. Yin, and Q. Zhang (Eds.), in Systems & Control: Foundations & Applications series, Birkhauser, Boston, 1999, pp. 541-546.