共 13 条
[3]
GILBARG D, 1984, ELLIPTIC PARTIAL DIF
[4]
Hawking S.W., 1973, CAMBRIDGE MONOGRAPHS
[5]
Hirsch M.W., 1976, GRADUATE TEXTS MATH
[9]
LINDBLOM L, 1980, ESSAYS GENERAL RELAT, P13
[10]
MASOODULALAM A, 1985, THESIS AUSTR NATIONA