TY - JOUR AU - L. A. Kogan TI - Theory of modular forms and the problem of finding formulas for the number of representations of numbers by positive quadratic forms JO - Doklady Akademii Nauk PY - 1968 SP - 259 EP - 261 VL - 182 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1968_182_2_a3/ LA - ru ID - DAN_1968_182_2_a3 ER -