%0 Journal Article %A Daqing Jiang %T Multiple positive solutions to singular boundary value problems for superlinear second order FDEs %J Annales Polonici Mathematici %D 2000 %P 257-270 %V 75 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-75-3-257-270/ %R 10.4064/ap-75-3-257-270 %G en %F 10_4064_ap_75_3_257_270