TY - JOUR AU - Daqing Jiang TI - Multiple positive solutions to singular boundary value problems for superlinear second order FDEs JO - Annales Polonici Mathematici PY - 2000 SP - 257 EP - 270 VL - 75 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-75-3-257-270/ DO - 10.4064/ap-75-3-257-270 LA - en ID - 10_4064_ap_75_3_257_270 ER -