The following publications are possibly variants of this publication:
- Corrigendum to Existence of positive solutions of singular elliptic boundary value problems in a ball [Comput. Math. Appl. 61 (2011) 1335-1341]Xingye Xu, Luanying Lian, Lokenath Debnath. cma, 61(9):2932, 2011. [doi]
- A necessary and sufficient condition for the existence of positive solutions of singular boundary value problemsYumei Xu, Lishan Li, Lokenath Debnath. appml, 18(8):881-889, 2005. [doi]
- On the existence of positive solutions for singular boundary value problems on the half-lineYan Sun, Yongping Sun, Lokenath Debnath. appml, 22(5):806-812, 2009. [doi]