中国科学院数学与系统科学研究院期刊网
AMS
Homoclinic Bifurcations in Symmetric Unfoldings of a Singularity with Three-fold Zero Eigenvalue
Jian Hua SUN
Acta Mathematica Sinica . 2005, (1): 65 -80 .  DOI: 10.1007/s10114-004-0383-6