TY - JOUR AU - A. N. Andrianov TI - Multiplicative properties of solutions of quadratic Diophantine problems JO - Algebra i analiz PY - 1990 SP - 3 EP - 46 VL - 2 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1990_2_1_a0/ LA - ru ID - AA_1990_2_1_a0 ER -