共 50 条
- [5] Sign-changing solutions to discrete fourth-order Neumann boundary value problems Advances in Difference Equations, 2013
- [6] Sign-changing solutions to discrete fourth-order Neumann boundary value problems ADVANCES IN DIFFERENCE EQUATIONS, 2013,
- [8] Extremal solutions of fourth-order boundary value problems Differential Equations, 2012, 48 : 1 - 10