%0 Journal Article %A R. A. Plyushkevitchus %T A sequential version of the calculus of constructive logic for normal formulae which contain no structural laws %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1968 %P 155-202 %V 98 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1968_98_a7/ %G ru %F TM_1968_98_a7