%0 Journal Article %A I. Sh. Kalimullin %T Relations between algorithmic reducibilities of algebraic systems %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2009 %P 71-72 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2009_6_a9/ %G ru %F IVM_2009_6_a9