@article{DANMA_2021_500_a9,
     author = {V. L. Popov},
     title = {Group structures on algebraic varieties},
     journal = {Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleni\^a},
     pages = {52--54},
     publisher = {mathdoc},
     volume = {500},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DANMA_2021_500_a9/}
}