Struwe, M. (1996). Variational methods: : applications to nonlinear partial differential equations and Hamiltonian systems (2nd ed., revesed and substantially expanded.). Berlin: Springer.
Παραπομπή Chicago StyleStruwe, Michael. Variational Methods: : Applications to Nonlinear Partial Differential Equations and Hamiltonian Systems. 2nd ed., revesed and substantially expanded. Berlin: Springer, 1996.
Παραπομπή MLAStruwe, Michael. Variational Methods: : Applications to Nonlinear Partial Differential Equations and Hamiltonian Systems. 2nd ed., revesed and substantially expanded. Berlin: Springer, 1996.
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