Differential Equations & Applications · Volume 5, Issue 1 Three positive solutions of Sturm-Liouville boundary value problems for fractional differential equations 05-09 Pages 127-152 DOI 10.7153/dea-05-09 Downloads Short PDF Full PDF PNG Authors Yuji Liu Tieshan He Haiping Shi Keywords positive solution singular fractional differential equation Sturm-Liouville boundary value problems five functional fixed point theorem Subject classes 47J05 92D25 34A08 34A37 34K15