Variational methods for strongly indefinite problems
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VARIATIONAL PRINCIPLES AND FREE-BOUNDARY PROBLEMS
AVNER FRIEDMAN2222 年出版710 页ISBN：0471868493
TOPOLOGCAL METHODS FOR VARIATIONAL PROBLEMS WITH SYMMERIES
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Unilateral Contact Problems Variational Methods and Existence Theorems
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NONLINEAR PROGRAMMING AND VARIATIONAL INEQUALITY PROBLEMS A UNIFIED APPROACH
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Multiple solutions of boundary value problems a variational approach volume 1
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UNIQUENESS THEOREMS FOR VARIATIONAL PROBLEMS BY THE METHOD OF TRANSFORMATIO GROUPS
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