On the existence of three nontrivial smooth solutions for nonlinear elliptic equations (JNCA)
Volume 11
Number 1
pp. 115-136

On the existence of three nontrivial smooth solutions for nonlinear elliptic equations
N. S. Papageorgiou, E. M. Rocha and V. Staicu

Key words Mathematices Subject Classification
Locally Lipschitz potential, generalized subdifferential, nonlinear maximum principle, three nontrivial solutions, nonlinear regularity theory, PS-condition, linking sets, minimax principle, second deformation theorem 35J20, 35J25, 35J60, 35J70

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