%0 Journal Article
%T Periodic Solutions for a Class of Damped Vibration Problem
%A WANG Shao-min
%J Journal of Chongqing Normal University
%D 2012
%I Chongqing Normal University
%X The purpose of this paper is to study the existence of periodic solutions for the following vibration problem with damping term* When F satisfies assumption (A) and four new existence conditions, One new existence theorem is obtained by the minimax methods incritical point theory.(* Indicates a formula, please see the full text)
%K periodic solutions
%K the minimax methods
%K generalized mountain pass theorem
%K condition
%U http://journal.cqnu.edu.cn/1202/pdf/120212.pdf