共 49 条
- [1] EXACT ESTIMATES ON A CLOSED INTERVAL OF EIGEN-ADJOINT AND SELF-ADJOINT FUNCTIONS OF QUADRATIC PENCILS OF 2ND-ORDER ORDINARY NON-SELF-ADJOINT DIFFERENTIAL-OPERATORS DOKLADY AKADEMII NAUK SSSR, 1986, 290 (02): : 293 - 296
- [2] THE UNCONDITIONED BASICITY OF SYSTEMS OF EIGEN AND ADJOINT FUNCTIONS OF 2ND-ORDER DIFFERENTIAL-OPERATORS ON A CLOSED INTERVAL DOKLADY AKADEMII NAUK SSSR, 1983, 273 (05): : 1048 - 1053
- [3] EIGENVALUES DISTRIBUTION OF NON-SELF-ADJOINT DIFFERENTIAL-OPERATORS OF 2ND-ORDER VESTNIK MOSKOVSKOGO UNIVERSITETA SERIYA 1 MATEMATIKA MEKHANIKA, 1990, (03): : 24 - 31
- [5] ON THE BASICITY OF A SYSTEM OF EIGEN AND ADJOINT FUNCTIONS OF NOT SELF-ADJOINT DIFFERENTIAL OPERATOR DOKLADY AKADEMII NAUK SSSR, 1980, 252 (01): : 17 - 19
- [8] THE NECESSARY CONDITIONS OF BASICITY OF A SYSTEM OF EIGEN AND ADJOINT FUNCTIONS OF THE 2ND-ORDER DIFFERENTIAL OPERATOR IN L2(G) DOKLADY AKADEMII NAUK SSSR, 1988, 299 (04): : 809 - 811
- [9] COMPLETENESS OF SYSTEM OF EIGEN AND ADJOINT ELEMENTS OF NON-SELF-ADJOINT OPERATOR BUNCHES OF ORDER 2 IZVESTIYA AKADEMII NAUK AZERBAIDZHANSKOI SSR SERIYA FIZIKO-TEKHNICHESKIKH I MATEMATICHESKIKH NAUK, 1977, (01): : 41 - 45