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- [3] THE SUMMABILITY OF SELF-ADJOINT OPERATOR EXPANSIONS IN EIGEN-FUNCTIONS DOKLADY AKADEMII NAUK SSSR, 1987, 292 (01): : 20 - 25
- [4] ON THE MEAN-VALUE FORMULA FOR EIGEN AND ADJOINT FUNCTIONS OF SCHRODINGER OPERATOR DOKLADY AKADEMII NAUK SSSR, 1989, 304 (02): : 280 - 284
- [6] THE SUMMABILITY OF SCHRODINGER OPERATOR SPECTRAL EXPANSIONS IN EIGEN-FUNCTIONS BY RIESZ MEAN DOKLADY AKADEMII NAUK SSSR, 1986, 288 (03): : 563 - 566
- [8] ON THE CONVERGENCE OF SPECTRAL EXPANSIONS AT THE POINT OF DISCONTINUITY OF COEFFICIENTS OF THE 2ND-ORDER LINEAR NON-SELF ADJOINT DIFFERENTIAL OPERATOR DOKLADY AKADEMII NAUK SSSR, 1987, 293 (02): : 270 - 274
- [9] ON THE CONVERGENCE OF SPECTRAL EXPANSIONS AT THE POINT OF DISCONTINUITY OF COEFFICIENTS OF 2M-ORDER LINEAR NON-SELF-ADJOINT DIFFERENTIAL OPERATOR DOKLADY AKADEMII NAUK SSSR, 1987, 296 (04): : 780 - 784
- [10] ON THE UNCONDITIONAL CONVERGENCE OF THE MULTIPLE EXPANSIONS IN THE SYSTEM OF THE EIGEN-ELEMENTS AND ADJOINT ELEMENTS OF AN UNBOUNDED POLYNOMIAL OPERATOR BUNDLES DOKLADY AKADEMII NAUK SSSR, 1987, 293 (03): : 521 - 524