TY - JOUR AU - V. S. Polikanov TI - Method of calculating matrix elements and cross sections with wave functions with definite angular momentum JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1976 SP - 42 EP - 47 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1976_26_1_a3/ LA - ru ID - TMF_1976_26_1_a3 ER -