TY - JOUR AU - A. I. Vagabov TI - On sharpening an asymptotic theorem of Tamarkin JO - Differencialʹnye uravneniâ PY - 1993 SP - 41 EP - 49 VL - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1993_29_1_a5/ LA - ru ID - DE_1993_29_1_a5 ER -