%0 Journal Article %A N. B. Skachkov %T Analytic properties of relativistic scattering amplitude in the quasipotential approach %J Teoretičeskaâ i matematičeskaâ fizika %D 1970 %P 57-65 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1970_5_1_a5/ %G ru %F TMF_1970_5_1_a5