%0 Journal Article %A B. M. Bychkov %A V. M. Grober %T The absence of an unconditional basis in the factor spaces $L'_1/H_0^1$ and $L'/H'_0$ %J Doklady Akademii Nauk %D 1968 %P 511-514 %V 179 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_179_3_a2/ %G ru %F DAN_1968_179_3_a2