%0 Journal Article %A M. A. Podkolzina %T The number of $\mathrm{S}$-precomplete classes in the functional system $P_k^\tau$ %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2009 %P 61-62 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2009_1_a11/ %G ru %F VMUMM_2009_1_a11