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- [21] Existence of n positive solutions to a nonlinear second-order periodic boundary value problem Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science), 2009, 33 (04): : 175 - 178
- [29] EXACT THREE POSITIVE SOLUTIONS TO A SECOND-ORDER NEUMANN BOUNDARY VALUE PROBLEM WITH SINGULAR NONLINEARITY ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING, 2010, 35 (2D): : 189 - 195