%0 Journal Article %A A. A. Mashuryan %A G. R. Asatrian %T About classification of arithmetical formulas on the basis of classification of $M$-arithmetics %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1999 %P 12-16 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1999_2_a1/ %G ru %F UZERU_1999_2_a1