%0 Journal Article %A B. M. Gurevič %T Certain conditions for the existence of $K$-decompositions for special flows %J Trudy Moskovskogo matematičeskogo obŝestva %D 1967 %P 89-116 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_1967_17_a2/ %G ru %F MMO_1967_17_a2