共 50 条
- [21] A Harnack inequality for ordinary differential equations AMERICAN MATHEMATICAL MONTHLY, 2005, 112 (01): : 32 - 41
- [25] Study on Eigenvalues of Ordinary Differential Operators AGRO FOOD INDUSTRY HI-TECH, 2017, 28 (01): : 148 - 152
- [26] Degenerate Operators for Ordinary Differential Equations INTERNATIONAL CONFERENCE ON ANALYSIS AND APPLIED MATHEMATICS (ICAAM 2018), 2018, 1997
- [28] Regular Ordinary Differential Operators with Involution Mathematical Notes, 2019, 106 : 674 - 687