NATO Advanced Study Institute, Ekeland, I. 1., & Szulkin, A. (1989). Minimax results of L[j]usternik-Schnirelman type and applications: Part 2 of the proceedings of the NATO ASI "variational methods in nonlinear problems". Presses de l'Université de Montréal.
Citación estilo ChicagoNATO Advanced Study Institute, I. 1944- Ekeland, and Andrzej Szulkin. Minimax Results of L[j]usternik-Schnirelman Type and Applications: Part 2 of the Proceedings of the NATO ASI "variational Methods in Nonlinear Problems". Montréal, Québec, Canada: Presses de l'Université de Montréal, 1989.
Cita MLANATO Advanced Study Institute, I. 1944- Ekeland, and Andrzej Szulkin. Minimax Results of L[j]usternik-Schnirelman Type and Applications: Part 2 of the Proceedings of the NATO ASI "variational Methods in Nonlinear Problems". Montréal, Québec, Canada: Presses de l'Université de Montréal, 1989.