TY - JOUR AU - Alfonso Castro AU - Jorge Cossio TI - Multiple radial solutions for a semilinear Dirichlet problem in a ball JO - Revista colombiana de matematicas PY - 1993 SP - 15 EP - 24 VL - 27 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RCM_1993__27_1-2_181865/ ID - RCM_1993__27_1-2_181865 ER -