中国科学院数学与系统科学研究院期刊网
AMS
Homoclinic Solutions in Periodic Nonlinear Difference Equations with Superlinear Nonlinearity
Zhan ZHOU, Jian She YU
Acta Mathematica Sinica . 2013, (9): 1809 -1822 .  DOI: 10.1007/s10114-013-0736-0