共 17 条
[2]
Evans L., 1988, CBMS, V74
[3]
EVANS LC, 1982, RES NOTES MATH NONLI, V3
[6]
FEFFERMEN R, IN PRESS ANN MATH
[8]
Gilbarg D., 1983, ELLIPTIC PARTIAL DIF
[9]
HELMS LL, 1969, SERIES PURE APPLIED, V22