共 50 条
- [41] EXISTENCE OF POSITIVE SOLUTIONS FOR SECOND ORDER DIFFERENTIAL EQUATION WITH FOUR POINT BOUNDARY CONDITIONS FIXED POINT THEORY, 2011, 12 (02): : 467 - 474
- [42] Existence of three symmetric positive solutions for a second-order multi-point boundary value problem on time scales Advances in Difference Equations, 2014
- [43] Existence of three symmetric positive solutions for a second-order multi-point boundary value problem on time scales ADVANCES IN DIFFERENCE EQUATIONS, 2014,