%0 Journal Article
%T Existence of Subharmonic Solutions for a Class of Second-Order -Laplacian Systems with Impulsive Effects
%A Wen-Zhen Gong
%A Qiongfen Zhang
%A X. H. Tang
%J Journal of Applied Mathematics
%D 2012
%I Hindawi Publishing Corporation
%R 10.1155/2012/434938
%X By using minimax methods in critical point theory, a new existence theorem of infinitely many periodic solutions is obtained for a class of second-order -Laplacian systems with impulsive effects. Our result generalizes many known works in the literature.
%U http://www.hindawi.com/journals/jam/2012/434938/