%0 Journal Article %A O. G. Parfenov %T Widths of the unit ball in $H^\infty$ in weighted spaces~$L_q(\mu)$ %J Sbornik. Mathematics %D 1997 %P 1259-1267 %V 188 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1997_188_8_a9/ %G en %F SM_1997_188_8_a9