TY - JOUR AU - V. V. Pupyshev TI - The~method of amplitude functions in two-dimensional scattering JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2017 SP - 34 EP - 62 VL - 191 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2017_191_1_a3/ LA - ru ID - TMF_2017_191_1_a3 ER -