TY - JOUR TI - Viktor~Sil'vestrovich Charin (on his 50th birthday) JO - Matematičeskie zametki PY - 1970 SP - 5 EP - 6 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1970_7_1_a0/ LA - ru ID - MZM_1970_7_1_a0 ER -