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| POSITIVE SOLUTIONS OF HIGHER ORDER SUBLINEAR FUNCTIONAL DIFFERENTIAL EQUATIONS | |
| 作者姓名： | 缪益华 |
| 摘 要： | In this paper, we discuss higher order sublinear functional differential equation x~(n)(t)+p(t)x~v(g(t))=0 t≥t_o where andSome necessary and sufficient conditions for existence of positive solution of the equation are established. |
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