共 23 条
[11]
Lieberman G. M., 1996, Second order parabolic differential equations
[17]
Nazarov A.I., 1993, J. Soviet M ath, V64, P1247
[18]
Nazarov A. I., 1992, ZAP NAUCHN SEM S PET, V200, P118
[19]
Ural'tseva N.N., 1991, Zapiski Nauchnykh Seminarov Leningradskogo Otdeleniya Matematicheskogo Instituta im. V. A. Steklova Akademiya Nauk SSSR, V188, P143