%0 Journal Article %A S. Yu. Maslov %A G. E. Mints %A V. P. Orevkov %T Insolvability in the constructive calculus of predicates of certain classes of formulae containing only one-place predicate variables %J Doklady Akademii Nauk %D 1965 %P 295-297 %V 163 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_163_2_a5/ %G ru %F DAN_1965_163_2_a5