%0 Journal Article %A A. N. Shevlyakov %T On elementary and geometric equivalence of equational co-domains %J Fundamentalʹnaâ i prikladnaâ matematika %D 2019 %P 229-238 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2019_22_4_a14/ %G ru %F FPM_2019_22_4_a14