数学季刊 ›› 2015, Vol. 30 ›› Issue (2): 253-266.doi: 10.13371/j.cnki.chin.q.j.m.2015.02.013
摘要: In this article, we investigate the existence of periodic solutions for a class of nonautonomous second-order differential systems with p(t)-Laplacian. Some multiplicity results are obtained by using critical point theory, which extend some known results.
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