TY - JOUR AU - Yan, Baoqiang TI - Multiple positive solutions for singular boundary-value problems with derivative dependence on finite and infinite intervals JO - Electronic journal of differential equations PY - 2006 VL - 2006 UR - http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a7/ LA - en ID - EJDE_2006__2006__a7 ER -