%0 Journal Article %A W. S. Zhou %A S. F. Cai %T Positive solutions for a~singular second order ordinary differential equation %J Lobachevskii journal of mathematics %D 2006 %P 135-142 %V 24 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_2006_24_a6/ %G en %F LJM_2006_24_a6