1.
Zhang X, Shao Z, Zhong Q, Zhao Z. Triple positive solutions for semipositone fractional differential equations m-point boundary value problems with singularities and p–q-order derivatives. NAMC [Internet]. 2018 Dec. 20 [cited 2024 Jul. 4];23(6):889-903. Available from: https://www.journals.vu.lt/nonlinear-analysis/article/view/13149