TY - JOUR AU - F. G. Avkhadiev TI - Estimates in the Zygmund class and their application to boundary JO - Doklady Akademii Nauk PY - 1989 SP - 1289 EP - 1292 VL - 307 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_307_6_a0/ LA - ru ID - DAN_1989_307_6_a0 ER -