@article{PDM_2021_3_a0,
     author = {A. Shevlyakov},
     title = {Equations over direct powers of algebraic structures in relational languages},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {5--11},
     publisher = {mathdoc},
     number = {3},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PDM_2021_3_a0/}
}