%0 Journal Article %A G. E. Mints %T Heytiag predicate calculus with $\varepsilon$-symbol %J Zapiski Nauchnykh Seminarov POMI %D 1974 %P 101-109 %V 40 %U http://geodesic.mathdoc.fr/item/ZNSL_1974_40_a11/ %G ru %F ZNSL_1974_40_a11