TY - JOUR AU - Gabriele Bonanno TI - Positive solutions to nonlinear singular second order boundary value problems JO - Annales Polonici Mathematici PY - 1996 SP - 237 EP - 251 VL - 64 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-64-3-237-251/ DO - 10.4064/ap-64-3-237-251 LA - en ID - 10_4064_ap_64_3_237_251 ER -