%0 Journal Article %A L. A. Sakhnovich %T On allowing for all scattering channels in an $n$-body problem with Coulomb interaction %J Teoretičeskaâ i matematičeskaâ fizika %D 1972 %P 421-427 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1972_13_3_a11/ %G ru %F TMF_1972_13_3_a11