中国科学院数学与系统科学研究院期刊网
AMS
A Landesman-Lazer Type Theorem for Periodic Solutions of the Resonant Asymmetric p-Laplacian Equation
Mei Yue JIANG
Acta Mathematica Sinica . 2005, (5): 1219 -1228 .  DOI: 10.1007/s10114-004-0459-3