TY - JOUR AU - V. M. Buchstaber TI - Two-valued formal groups. Algebraic theory and applications to cobor­dism. I JO - Izvestiya. Mathematics PY - 1975 SP - 987 EP - 1006 VL - 9 IS - 5 UR - http://geodesic.mathdoc.fr/item/IM2_1975_9_5_a3/ LA - en ID - IM2_1975_9_5_a3 ER -