共 11 条
[2]
Chang K., 1986, Critical Point Theory and Its Applications
[4]
HAN ZQ, 2000, ACTA MATH SINICA, V43, P639
[5]
HAN ZQ, 1994, J QINGDAO U, V7, P19
[7]
Mawhin J., 1989, CRITICAL POINT THEOR
[8]
RABINOWITZ P. H, 1984, CBMS Reg. Conf. Series in Math, V65