具偏差变元的二阶p-Laplacian方程周期解存在性问题
鲁世平;葛渭高
Periodic Solutions for Second Order p-Laplacian Differential Equation with a Deviating Argument
Shi Ping LU(1), Wei Gao GE(2)
数学学报 . 2005, (5): 841 -850 .  DOI: 10.12386/A20050102