TY - JOUR AU - Guedda, Mohammed TI - Blow up of solutions to semilinear wave equations JO - Electronic journal of differential equations PY - 2003 VL - 2003 UR - http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a64/ LA - en ID - EJDE_2003__2003__a64 ER -