共振下一类常微分方程组周期解的唯一存在性

李树杰;冯德兴

THE UNIQUE EXISTENCE OF PERIODIC SOLUTION FOR A CLASS OF ORDINARY DIFFERENTIAL EQUATION SYSTEMS AT RESONANCE

LI SHU-JIE;FENG DE-XING

系统科学与数学 . 1986, (4): 241 -246 . DOI: 10.12341/jssms08842