%0 Journal Article %A A. Shevlyakov %T Direct powers of algebraic structures and equations %J Prikladnaâ diskretnaâ matematika %D 2022 %P 31-39 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2022_4_a3/ %G en %F PDM_2022_4_a3