分数阶半正边值问题一个正解的存在性定理

王丽颖, 许晓婕

Existence Theorem of a Positive Solution to SemipositoneBoundary Value Problem of Fractional Differential Equations

WANG Liying, XU Xiaojie

吉林大学学报(理学版) . 2014, (04): 667 -671 .