| 题名 | Impulsive periodic solutions of first-order singular differential equations | | 作者 | Jifeng Chu,Juan J. Nieto | | 杂志 | Bull. London Math. Soc. | | 年|卷|期 | (2008) 40 (1): | | 页码 | 143-150. | | 链接 | http://blms.oxfordjournals.org/content/40/1/143.short |
http://blms.oxfordjournals.org/content/40/1/143.short |