@article{PDM_2022_4_a3,
     author = {A. Shevlyakov},
     title = {Direct powers of algebraic structures and equations},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {31--39},
     year = {2022},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PDM_2022_4_a3/}
}