Ekeland, I., Szulkin, A., Ekeland, I., & Szulkin, A. (1989). Minimax results of Ljusternik-Schnirelmann type and applications: Part 2 of the Proceedings of the NATO ASI "Variational Methods in Nonlinear Problems". Presses de l'Université de Montréal.
Chicago Style (17th ed.) CitationEkeland, Ivar, Andrzej Szulkin, Ivar Ekeland, and Andrzej Szulkin. Minimax Results of Ljusternik-Schnirelmann Type and Applications: Part 2 of the Proceedings of the NATO ASI "Variational Methods in Nonlinear Problems". Montréal (Québec): Presses de l'Université de Montréal, 1989.
MLA (9th ed.) CitationEkeland, Ivar, et al. Minimax Results of Ljusternik-Schnirelmann Type and Applications: Part 2 of the Proceedings of the NATO ASI "Variational Methods in Nonlinear Problems". Presses de l'Université de Montréal, 1989.