@article{VTGU_2024_87_a3,
     author = {T. A. Kozlovskaya},
     title = {Multi-groups},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {34--43},
     publisher = {mathdoc},
     number = {87},
     year = {2024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2024_87_a3/}
}