共 13 条
[1]
[Anonymous], 1977, GRUNDLEHREN MATH WIS
[6]
DAHLBERG BEJ, 1977, ARCH RATION MECH AN, V65, P276
[7]
FIMIANI M, 2008, THESIS U STUDI FIREN
[10]
KENIG C., 1994, CBMS Regional Conference Series in Mathematics., V83