%0 Journal Article %A V. G. Durnev %T On the solvability problem for equations with a~single coefficient %J Matematičeskie zametki %D 1996 %P 832-845 %V 59 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1996_59_6_a3/ %G ru %F MZM_1996_59_6_a3