具有正负系数中立型微分方程的正解

唐先华;庚建设

On the Positive Solutions of a Kind of Neutral Equations with Positive and Negative Coeffcients

Xian Hua TANG,Jian She YU

数学学报 . 1999, (5): 795 -802 . DOI: 10.12386/A1999sxxb0107