1. N.U. Ahmed, Optimal impulse control for impulsive systems in Banach spaces, Int. J. Differential Equations Appl., to appear.
2. N.U. Ahmed, Measure solutions for impulsive systems in Banach spaces and their control, J. Dyn. Cont. Discrete Impulsive Systems, 6 (1999), 519–535.
3. Measure solutions for semilinear evolution equations with polynomial growth and their optimal control;Ahmed;Discussiones Mathematicae – Differential Inclusions,1997
4. Optimal control of infinite dimensional systems governed by functional differential inclusions;Ahmed;Discussiones Mathematicae – Differential Inclusions,1995
5. N.U. Ahmed, Optimization and identification of systems governed by evolution equations on Banach space, Pitman Research Notes in Mathematics Series, Vol. 184, 1988, Longman Scientific and Technical, U.K., Co-published with Wiley, New York.