中国科学院数学与系统科学研究院期刊网
JSSC
A NOTE ON THE STABILITY OF A CLASS OF DEGENERATE PLANAR CRITICAL POINTS
Tusen HUANG;Qi ZHANG
A NOTE ON THE STABILITY OF A CLASS OF DEGENERATE PLANAR CRITICAL POINTS
Tusen HUANG;Qi ZHANG
Journal of Systems Science and Complexity . 2007, (3): 461 -469 .