%0 Journal Article %A Yu. L. Vasil'ev %T Difficulties of minimization of Boolean functions on the basis of universal approaches %J Doklady Akademii Nauk %D 1966 %P 13-16 %V 171 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_171_1_a1/ %G ru %F DAN_1966_171_1_a1