%0 Journal Article %A V. Yu. Meitus %T Abstract assignment of the syntax of formal languages %J Doklady Akademii Nauk %D 1974 %P 261-263 %V 216 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_216_2_a5/ %G ru %F DAN_1974_216_2_a5