The following publications are possibly variants of this publication:
- Positive solutions of periodic boundary value problems for impulsive differential equationsWeibing Wang, Xiangling Fu, Xuxin Yang. cma, 58(8):1623-1630, 2009. [doi]
- Mean Square Almost Periodic Solutions for Impulsive Stochastic Differential Equations with DelaysRuojun Zhang, Nan Ding, Linshan Wang. jam, 2012, 2012. [doi]
- Multiplicity Positive Solutions to Periodic Problems for First-Order Impulsive Differential EquationsXiaoying Zhang, Xiaoyue Li, Daqing Jiang, Ke Wang. cma, 52(6-7):953-966, 2006. [doi]