%0 Journal Article %A Krasimir G. Ianakiev %T Scattering for Nonlinear Wave Equation with Small Initial Data %J Mathematica balkanica %D 1990 %P 139 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1990_4_2_a2/ %F MABA_1990_4_2_a2