%0 Journal Article %A A. L. Brodskii %T Some imbedding theorems for a class of singular fractional-differential operators %J Differencialʹnye uravneniâ %D 1977 %P 1637-1647 %V 13 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_9_a9/ %G ru %F DE_1977_13_9_a9