TY - JOUR AU - V. A. Ivanov TI - Dirichlet's theorem in the theory of diophantine approximations JO - Matematičeskie zametki PY - 1978 SP - 459 EP - 474 VL - 24 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1978_24_4_a1/ LA - ru ID - MZM_1978_24_4_a1 ER -