%0 Journal Article %A V. A. Dubrovskii %T Quasiclassical asymptotic of Dirac's equation %J Doklady Akademii Nauk %D 1963 %P 527-530 %V 150 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_150_3_a19/ %G ru %F DAN_1963_150_3_a19