%0 Journal Article %A Sh. T. Ishmukhametov %T On decomposition of the $0'$ degree into lesser $T$-degrees containing differences of recursively enumerable sets. %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1994 %P 12-16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1994_1_a1/ %G ru %F IVM_1994_1_a1