TY - JOUR AU - S. I. Fedorov TI - On a~variational problem of Chebotarev in the theory of capacity of plane sets and covering theorems for univalent conformal mappings JO - Sbornik. Mathematics PY - 1985 SP - 115 EP - 133 VL - 52 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1985_52_1_a6/ LA - en ID - SM_1985_52_1_a6 ER -