%0 Journal Article %A V. G. Durnev %A A. I. Zetkina %T The problem of solvability of a positive theory of an arbitrary group is algorithmically unsolvable %J Čebyševskij sbornik %D 2023 %P 40-49 %V 24 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2023_24_1_a3/ %G ru %F CHEB_2023_24_1_a3