@misc{TIMM_2019_25_2_a0,
     title = {Vitalii {Ivanovich} {Berdyshev} (on his 80th birthday)},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {7--8},
     year = {2019},
     volume = {25},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2019_25_2_a0/}
}