Struwe, M. (1990). Variational methods: Applications to nonlinear partial differential equations and Hamiltonian systems. Springer-Verlag.
Chicago-стиль цитированияStruwe, Michael. Variational Methods: Applications to Nonlinear Partial Differential Equations and Hamiltonian Systems. New York: Springer-Verlag, 1990.
MLA-цитированиеStruwe, Michael. Variational Methods: Applications to Nonlinear Partial Differential Equations and Hamiltonian Systems. Springer-Verlag, 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.