%0 Journal Article %A M. I. Kanovitch %T Complex properties of context-sensitive languages %J Doklady Akademii Nauk %D 1977 %P 289-292 %V 233 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_233_3_a6/ %G ru %F DAN_1977_233_3_a6