TY - JOUR AU - S. S. Ryshkov TI - Effective realization of a method of Davenport in the theory of coverings JO - Doklady Akademii Nauk PY - 1967 SP - 303 EP - 305 VL - 175 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_175_2_a11/ LA - ru ID - DAN_1967_175_2_a11 ER -