%0 Journal Article %A V. P. Maslov %T Degeneration on passing from a discrete spectrum to a continuous one and transition from quantum mechanics to classical mechanics %J Doklady Akademii Nauk %D 1957 %P 957-960 %V 114 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_114_5_a10/ %G ru %F DAN_1957_114_5_a10