%0 Journal Article %A G. M. Gubreev %T $L_2$-stable semigroups, Muckenhoupt weights, and unconditional bases of values of quasi-exponentials %J Sbornik. Mathematics %D 1999 %P 1715-1747 %V 190 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1999_190_12_a0/ %G en %F SM_1999_190_12_a0