@misc{MZM_1975_17_4_a0,
     title = {Fiftieth birthday of {S.\,V.~Yablonskii}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {499},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1975_17_4_a0/}
}