TY - JOUR TI - Ivan Matveevich Vinogradov (on his 80th birthday) JO - Matematičeskie zametki PY - 1971 SP - 251 EP - 252 VL - 10 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1971_10_3_a0/ LA - ru ID - MZM_1971_10_3_a0 ER -