构造一类八阶周期边值问题极值解的单调性方法
陈善松, 高文杰
A Monotone Method for Constructing Extremal Solutions to an Eighth Order Periodic Boundary Value Problems
Chen Shan-song,Gao Wen-jie
吉林大学学报(理学版) . 2003, (01): 1 -5 .