共 50 条
- [31] Nonlinear Multipoint Boundary Value Problems for Second Order Differential Equations CANADIAN MATHEMATICAL BULLETIN-BULLETIN CANADIEN DE MATHEMATIQUES, 2010, 53 (03): : 475 - 490
- [40] NONZERO SOLUTIONS OF BOUNDARY-VALUE PROBLEMS FOR SECOND-ORDER ORDINARY AND DELAY-DIFFERENTIAL EQUATIONS NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1972, 19 (02): : A390 - A390