%0 Journal Article %A V. N. Likhachev %T Renormalized $S$ matrix obtained by a smooth interaction cutoff with respect to the spatial variables %J Teoretičeskaâ i matematičeskaâ fizika %D 1973 %P 33-41 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1973_16_1_a2/ %G ru %F TMF_1973_16_1_a2