@article{DE_1973_9_10_a19,
     author = {A. Ya. Khokhryakov},
     title = {On a certain theorem of {N.\,E.~{\v} {Z}ukovski{\v\i}}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1919--1921},
     publisher = {mathdoc},
     volume = {9},
     number = {10},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_10_a19/}
}