El-Gendi, S., & Hassan, A. (1969). Solution of Variational Problems with Bounded Control Variables. The Institute of National Planning.
Цитирование в стиле Чикаго (17-е изд.)El-Gendi, Slah, и Ahmed Hassan. Solution of Variational Problems with Bounded Control Variables. Cairo: The Institute of National Planning, 1969.
Цитирование MLA (9-е изд.)El-Gendi, Slah, и Ahmed Hassan. Solution of Variational Problems with Bounded Control Variables. The Institute of National Planning, 1969.