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The existence of solutions for second-order difference equations |
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| Authors: | Yongjin Li |
| Institution: | 1. Sun Yat-sen University, Department of Mathematics , Guangzhou, 510275, People's Republic of China stslyj@mail.sysu.edu.cn |
| Abstract: | |
| Keywords: | Discrete boundary value problem Variational methods Critical point theory Second order problem |