TY - JOUR AU - S. Yu. Medvedev TI - Asymptotic equality of differential cross sections in difference form JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1975 SP - 140 EP - 143 VL - 23 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1975_23_1_a13/ LA - ru ID - TMF_1975_23_1_a13 ER -