中国科学院数学与系统科学研究院期刊网
JSSC
A REMARK ON PERIODIC SOLUTIONS OF SINGULAR HAMILTONIAN SYSTEMS WITH SUBLINEAR TERMS
DING Yanheng;LI Shujie
A REMARK ON PERIODIC SOLUTIONS OF SINGULAR HAMILTONIAN SYSTEMS WITH SUBLINEAR TERMS
DING Yanheng;LI Shujie
Journal of Systems Science and Complexity . 1992, (2): 121 -126 .