TY - JOUR AU - A. K. Zaichenko AU - V. S. Ol'khovskii TI - Analytic solutions of the problem of scattering by potentials of the Eckart class JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1976 SP - 267 EP - 269 VL - 27 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1976_27_2_a15/ LA - ru ID - TMF_1976_27_2_a15 ER -