Abstract
We consider an autonomous conservative second order system defined by a potential which admits a connected set $\Gamma$ of critical points at level zero. We prove the existence of multiple periodic solutions of large period which are located near $\Gamma$.
Citation
Silvia Cingolani. Monica Lazzo. "Multiple periodic solutions for autonomous conservative systems." Topol. Methods Nonlinear Anal. 14 (1) 159 - 167, 1999.
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