TY - JOUR AU - E. A. Anfert'eva AU - N. G. Chudakov TI - Effective estimates from below of the norms of ideals of an imaginary quadratic field JO - Sbornik. Mathematics PY - 1970 SP - 47 EP - 58 VL - 11 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1970_11_1_a2/ LA - en ID - SM_1970_11_1_a2 ER -