%0 Journal Article %A V. Maslov %T Scattering problem in quasiclassic approximation %J Doklady Akademii Nauk %D 1963 %P 306-309 %V 151 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_151_2_a17/ %G ru %F DAN_1963_151_2_a17