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- [1] CLASSIFICATION AND WELL-POSEDNESS OF THE CAUCHY-PROBLEM FOR 2ND-ORDER EQUATIONS IN A BANACH-SPACE DOKLADY AKADEMII NAUK SSSR, 1984, 276 (05): : 1066 - 1071
- [2] CORRECTNESS OF THE DIRICHLET PROBLEM FOR 2ND-ORDER EQUATIONS IN THE BANACH-SPACE IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII MATEMATIKA, 1986, (08): : 46 - 52
- [5] CERTAIN NONLOCAL BOUNDARY-PROBLEMS FOR MODEL-EQUATIONS OF THE 2ND-ORDER IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII MATEMATIKA, 1990, (03): : 11 - 15
- [7] BOUNDARY-PROBLEMS FOR THE HYPERBOLIC 2ND-ORDER EQUATION IN A CIRCLE IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII MATEMATIKA, 1987, (02): : 22 - 29
- [9] A SPECTRAL THEORY OF 2ND-ORDER DIFFERENTIAL-EQUATIONS WITH A POSITIVE OPERATOR IN THE BANACH-SPACE DOPOVIDI AKADEMII NAUK UKRAINSKOI RSR SERIYA A-FIZIKO-MATEMATICHNI TA TECHNICHNI NAUKI, 1981, (04): : 18 - 20
- [10] BOUNDED LINEAR-OPERATORS SATISFYING 2ND-ORDER INTEGRODIFFERENTIAL EQUATIONS IN A BANACH-SPACE JOURNAL OF INTEGRAL EQUATIONS, 1984, 6 (03): : 231 - 268