TY - JOUR AU - Yu. I. Manin TI - Two-dimensional formal Abelian groups JO - Doklady Akademii Nauk PY - 1962 SP - 35 EP - 37 VL - 143 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_143_1_a8/ LA - ru ID - DAN_1962_143_1_a8 ER -