共 12 条
[3]
Kondratiev V. A., 1988, Mat. Sb. (N.S.), V135, P346
[4]
Ladyzhenskaya O., 1968, LINEAR QUASILINEAR E, DOI DOI 10.1090/MMONO/023
[5]
Landis E., 1998, Second Order Equations of Elliptic and Parabolic type, V171
[6]
Littman W., 1963, Ann. Sc. Norm. Sup. Pisa, V17, P43
[7]
MAZYA VG, 1985, SPRINGER SERIES SOVI
[8]
Mitidieri E, 1999, P STEKLOV I MATH, V227, P192
[9]
MlTIDIERI E., 2001, P STEKLOV I MATH, V234
[10]
Osserman R., 1957, Pacific J. Math., V7, P1641