%0 Journal Article %A Yu. P. Chuburin %T Floquet asymptotics of solutions of the Schr\"odinger equation in the case of a~semi-infinite crystal %J Teoretičeskaâ i matematičeskaâ fizika %D 1988 %P 472-478 %V 77 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1988_77_3_a13/ %G ru %F TMF_1988_77_3_a13