Joao Marcos do O & Pedro Ubilla
Abstract: Submitted May 15, 2002. Published February 14, 2003.
Math Subject Classifications: 35J50, 35J60, 35J65, 35J55.
Key Words: Elliptic systems, minimax techniques,
Mountain Pass Theorem, Ekeland's variational principle,
multiplicity of solutions.
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Joao Marcos do O Departamento de Matematica Universidade Federal da Paraiba 58059.900 Joao Pessoa, Pb Brazil e-mail: jmbo@mat.ufpb.br |
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Pedro Ubilla Universidad de Santiago de Chile Cassilla 307, Correo 2, Santiago, Chile e-mail: pubilla@lauca.usach.cl |
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