共 50 条
- [31] Unified theory for first-order discontinuous scalar differential equations Nonlinear Analysis, Theory, Methods & Applications, 1996, 26 (04):
- [35] A unified theory for first-order discontinuous scalar differential equations Nonlinear Anal Theory Methods Appl, 4 (785-797):
- [36] Stability of periodic solutions of first-order difference equations lying between lower and upper solutions Advances in Difference Equations, 2005
- [38] APPROXIMATE SOLUTIONS FOR A FIRST-ORDER, NONLINEAR ORDINARY DIFFERENTIAL EQUATION AMERICAN MATHEMATICAL MONTHLY, 1961, 68 (08): : 774 - +
- [39] General existence principles for first order discontinuous ordinary differential equations INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 1997, 28 (05): : 617 - 624