%0 Journal Article %A S. L. Gogyan %T On a Greedy Algorithm in~$L^1(0,1)$ with Regard to Subsystems of the Haar System and on $\omega$-Quasigreedy Bases %J Matematičeskie zametki %D 2010 %P 18-29 %V 88 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2010_88_1_a1/ %G ru %F MZM_2010_88_1_a1