共 50 条
- [1] PERTURBATION OF CONTINUOUS SPECTRUM OF SYSTEMS OF ORDINARY DIFFERENTIAL OPERATORS [J]. CANADIAN JOURNAL OF MATHEMATICS, 1962, 14 (02): : 359 - &
- [3] Study on Eigenvalues of Ordinary Differential Operators [J]. AGRO FOOD INDUSTRY HI-TECH, 2017, 28 (01): : 148 - 152
- [5] ON DISTRIBUTION OF EIGENVALUES OF SELFADJOINT ORDINARY DIFFERENTIAL OPERATORS [J]. DOKLADY AKADEMII NAUK SSSR, 1969, 186 (04): : 753 - &
- [10] An enclosure method for complex eigenvalues of ordinary differential operators [J]. IEICE NONLINEAR THEORY AND ITS APPLICATIONS, 2011, 2 (01): : 111 - 122