%0 Journal Article %A A. I. Vagabov %T On sharpening an asymptotic theorem of Tamarkin %J Differencialʹnye uravneniâ %D 1993 %P 41-49 %V 29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_1_a5/ %G ru %F DE_1993_29_1_a5