中国科学院数学与系统科学研究院期刊网
BIFURCATION PROBLEMS OF NONLINEAR OPERATOR EQUATIONS FROM NON-SIMPLE EIGENVALUES
Yu Wen WANG, Hong Cai YIN, Xiu Mei SUN
Acta Mathematicae Applicatae Sinica . 2005, (2): 236 -242 .  DOI: 10.12387/C2005024