TY - JOUR AU - L. A. Sakhnovich TI - On allowing for all scattering channels in an $n$-body problem with Coulomb interaction JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1972 SP - 421 EP - 427 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1972_13_3_a11/ LA - ru ID - TMF_1972_13_3_a11 ER -