共 50 条
- [4] ACCURATE ESTIMATIONS FOR EIGEN FUNCTIONS AND ASSOCIATED FUNCTIONS OF A 2ND-ORDER ELLIPTIC OPERATOR [J]. DOKLADY AKADEMII NAUK SSSR, 1984, 279 (06): : 1314 - 1318
- [7] THE EXISTENCE OF ADJOINT FUNCTIONS OF A 2ND-ORDER OPERATOR [J]. DOKLADY AKADEMII NAUK SSSR, 1982, 262 (05): : 1036 - 1039