共 24 条
[2]
AMICK CJ, 1981, ARCH RATION MECH AN, V76, P9, DOI 10.1007/BF00250799
[3]
BEALE JT, 1977, COMMUN PUR APPL MATH, V30, P373
[4]
BERESTYCKI H, UNPUB
[7]
Garabedian P. R., 1965, J ANAL MATH, V14, P161
[9]
Gidas B., 1981, MATH ANAL APPL PART, V7a, P369
[10]
HOPF H, 1956, LECTURES DIFFERENTIA