TY - JOUR AU - D. K. Faddeev TI - Group of divisor classes on the curve defined by the equation $x^4+y^4=1$ JO - Doklady Akademii Nauk PY - 1960 SP - 776 EP - 777 VL - 134 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_134_4_a8/ LA - ru ID - DAN_1960_134_4_a8 ER -