%0 Journal Article %A B. I. Finikov %T On a family of classes of functions in the logic algebra and their realization in the class of $\Pi$-schemes %J Doklady Akademii Nauk %D 1957 %P 247-248 %V 115 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_115_2_a12/ %G ru %F DAN_1957_115_2_a12