M. Alghalith, “General Closed-Form Solutions to the Dynamic Optimization Problem in Incomplete Markets,” Applied Mathematics, Vol. 2, No. 4, 2011, pp. 433-435.
 S. E. Shreve and H. M. Soner, “Optimal Investment and Consumption with Transaction Costs,” The Annals of Applied Probability, Vol. 4, No. 3, 1994, pp. 609-692.
 G. Yin and X. Y. Zhou, “Mean Variance Portfolio Selection under Markov Regime: Discrete Time Models and Continuous Time Limits,” Proceedings of the 15th International Symposium on Mathematical Theory of Networks and Systems, Leuven, 5-9 July 2000, pp. 1-6.
 J. Cvitanic and F. Zapatero, “Introduction to the Economics and the Mathematics of Financial Markets,” MIT Press, Cambridge, 2004.