共 20 条
[2]
ERDELYI A, 1954, HIGHER TRANCENDENTAL, V1
[3]
Fichera G, 1960, BOUNDARY PROBLEMS DI, P97
[6]
GREINER P, 1977, ESTIMATES PARTIAL DI
[7]
GRISVARD P., 1976, NUMERICAL SOLUTION P, P207
[8]
HYPOELLIPTIC 2ND ORDER DIFFERENTIAL EQUATIONS
[J].
ACTA MATHEMATICA UPPSALA,
1967, 119 (3-4)
:147-&
[10]
JERISON DS, UNPUBLISHED