@article{VYURM_2022_14_4_a9,
     author = {E. S. Shestakovskaya},
     title = {Yuriy {Kovalev~---} to the 70th birthday anniversary},
     journal = {Vestnik \^U\v{z}no-Uralʹskogo gosudarstvennogo universiteta. Seri\^a, Matematika, mehanika, fizika},
     pages = {74--76},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VYURM_2022_14_4_a9/}
}