El-Gendi, S., & Hassan, A. (1969). Solution of Variational Problems with Bounded Control Variables. The Institute of National Planning.
Cita Chicago (17th ed.)El-Gendi, Slah, i Ahmed Hassan. Solution of Variational Problems with Bounded Control Variables. Cairo: The Institute of National Planning, 1969.
Cita MLA (9th ed.)El-Gendi, Slah, i Ahmed Hassan. Solution of Variational Problems with Bounded Control Variables. The Institute of National Planning, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.