中国科学院数学与系统科学研究院期刊网
Weak Centers and Local Bifurcations of Critical Periods at Infinity for a Class of Rational Systems
Wen-tao HUANG, Valery G. ROMANOVSKI, Wei-nian ZHANG
Weak Centers and Local Bifurcations of Critical Periods at Infinity for a Class of Rational Systems
Wen-tao HUANG, Valery G. ROMANOVSKI, Wei-nian ZHANG
应用数学学报(英文版) . 2013, (2): 377 -390 .  DOI: 10.1007/s10255-013-0220-8