Fractional Differential Calculus · Volume 9, Issue 2 Existence of positive solutions for regular fractional Sturm-Liouville problems 09-18 Pages 279-294 DOI 10.7153/fdc-2019-09-18 Downloads Short PDF Full PDF PNG Authors Tahereh Haghi Kazem Ghanbari Angelo B. Mingarelli Keywords positive solution fixed point theorem fractional differential equation Subject classes 34A08 35B09 34K10