共 50 条
- [31] SECOND-ORDER NONLINEAR BOUNDARY-VALUE PROBLEM NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1973, 20 (01): : A120 - A120
- [34] BOUNDARY-VALUE PROBLEMS FOR A SECOND-ORDER DIFFERENTIAL EQUATION OF HYPERBOLIC TYPE IN HILBERT-SPACE DOKLADY AKADEMII NAUK SSSR, 1975, 221 (04): : 763 - 766
- [35] DIFFERENTIAL INEQUALITIES AND BOUNDARY-VALUE PROBLEMS FOR SYSTEMS OF SECOND-ORDER NONLINEAR DIFFERENTIAL EQUATIONS - PRELIMINARY REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1972, 19 (06): : A731 - &
- [36] ON THE EIGENVALUES OF SECOND-ORDER BOUNDARY-VALUE PROBLEMS JOURNAL OF APPLIED ANALYSIS AND COMPUTATION, 2020, 10 (05): : 1897 - 1911
- [37] CERTAIN SECOND-ORDER BOUNDARY-VALUE PROBLEMS NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1975, 22 (01): : A139 - A139