%0 Journal Article
%A D. A. Grigoryan
%T On main canonical notion of  $\delta$-reduction
%J Proceedings of the Yerevan State University. Physical and mathematical sciences
%D 2018
%P 191-199
%V 52
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZERU_2018_52_3_a5/
%G en
%F UZERU_2018_52_3_a5