%0 Journal Article %A N. M. Mahmedzhanov %A V. V. Tikhomirov %T Convergence of expansions in eigen- and associated functions of the Schr\"odinger operator at the point of potential discontinuity %J Doklady Akademii Nauk %D 1986 %P 547-551 %V 288 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_288_3_a7/ %G ru %F DAN_1986_288_3_a7