TY - JOUR AU - I. V. Elistratov TI - Estimates of remainder terms in the theory of perturbed Dirichlet characters JO - Matematičeskie zametki PY - 1978 SP - 505 EP - 514 VL - 23 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1978_23_4_a1/ LA - ru ID - MZM_1978_23_4_a1 ER -