%0 Journal Article %A A. K. Zaichenko %A V. S. Ol'khovskii %T Analytic solutions of the problem of scattering by potentials of the Eckart class %J Teoretičeskaâ i matematičeskaâ fizika %D 1976 %P 267-269 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1976_27_2_a15/ %G ru %F TMF_1976_27_2_a15