%0 Journal Article %A D. A. Grigoryan %T On incomparability of interpretation algorithms of typed functional programs with respect to undefined value %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2018 %P 109-118 %V 52 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2018_52_2_a5/ %G en %F UZERU_2018_52_2_a5