%0 Journal Article %A V. A. Aslanyan %T On zigzag De Morgan functions %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2014 %P 3-6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2014_1_a0/ %G en %F UZERU_2014_1_a0