TY - JOUR AU - V. M. Buchstaber AU - A. N. Kholodov TI - Topological constructions connected with many-valued formal groups JO - Izvestiya. Mathematics PY - 1983 SP - 1 EP - 25 VL - 20 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1983_20_1_a0/ LA - en ID - IM2_1983_20_1_a0 ER -