TY - JOUR AU - Cavalheiro, Albo Carlos TI - An approximation theorem for solutions of degenerate semilinear elliptic equations JO - Communications in Mathematics PY - 2017 SP - 21 EP - 34 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/COMIM_2017__25_1_a3/ LA - en ID - COMIM_2017__25_1_a3 ER -