TY - JOUR AU - B. G. Gabdulkhaev TI - Approximation in $H$-spaces and applications JO - Doklady Akademii Nauk PY - 1975 SP - 1293 EP - 1296 VL - 223 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1975_223_6_a1/ LA - ru ID - DAN_1975_223_6_a1 ER -