共 17 条
[5]
BERESTYCKI H, 1983, ARCH RATION MECH AN, V82, P313
[7]
Comparison theorems for some quasilinear degenerate elliptic operators and applications to symmetry and monotonicity results
[J].
ANNALES DE L INSTITUT HENRI POINCARE-ANALYSE NON LINEAIRE,
1998, 15 (04)
:493-516
[10]
Gidas B., 1981, Math. Anal. Appl., VofAdv, P369