@misc{VYURM_2021_13_2_a9,
     title = {Information},
     journal = {Vestnik \^U\v{z}no-Uralʹskogo gosudarstvennogo universiteta. Seri\^a, Matematika, mehanika, fizika},
     pages = {65},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VYURM_2021_13_2_a9/}
}