TY - JOUR AU - Verma, Amit K. TI - Monotone iterative method and regular singular nonlinear BVP in the presence of reverse ordered upper and lower solutions JO - Electronic journal of differential equations PY - 2012 VL - 2012 UR - http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a14/ LA - en ID - EJDE_2012__2012__a14 ER -