Jabri, Y. (2003). The mountain pass theorem: Variants, generalizations, and some applications. Cambridge: Cambridge University Press.
Παραπομπή Chicago StyleJabri, Youssef. The Mountain Pass Theorem: Variants, Generalizations, and Some Applications. Cambridge: Cambridge University Press, 2003.
Παραπομπή MLAJabri, Youssef. The Mountain Pass Theorem: Variants, Generalizations, and Some Applications. Cambridge: Cambridge University Press, 2003.
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