%0 Journal Article %A M. V. Zubkov %T Strongly $\eta$-representable degrees and limitwise monotonic functions %J Algebra i logika %D 2011 %P 504-520 %V 50 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2011_50_4_a3/ %G ru %F AL_2011_50_4_a3