TY - JOUR AU - Krasimir G. Ianakiev TI - Scattering for Nonlinear Wave Equation with Small Initial Data JO - Mathematica balkanica PY - 1990 SP - 139 VL - 4 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1990_4_2_a2/ ID - MABA_1990_4_2_a2 ER -