%0 Journal Article %A B. A. Trakhtenbrot %T On operators realizable in logical nets %J Doklady Akademii Nauk %D 1957 %P 1005-1007 %V 112 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_112_6_a6/ %G ru %F DAN_1957_112_6_a6