Li Long-tu, Wang Zhi-cheng, Qian Xiang-zheng. Boundary Value Problems for Second Order Delay Differential Equations[J]. Applied Mathematics and Mechanics, 1993, 14(6): 543-549.
Citation:
Li Long-tu, Wang Zhi-cheng, Qian Xiang-zheng. Boundary Value Problems for Second Order Delay Differential Equations[J]. Applied Mathematics and Mechanics, 1993, 14(6): 543-549.
Li Long-tu, Wang Zhi-cheng, Qian Xiang-zheng. Boundary Value Problems for Second Order Delay Differential Equations[J]. Applied Mathematics and Mechanics, 1993, 14(6): 543-549.
Citation:
Li Long-tu, Wang Zhi-cheng, Qian Xiang-zheng. Boundary Value Problems for Second Order Delay Differential Equations[J]. Applied Mathematics and Mechanics, 1993, 14(6): 543-549.
In this paper, using a fixed point principle and existence principle given in [1], we study the boundary value problems for second order differential equations. Some new existence results are obtained.