@article{DE_1984_20_2_a20,
     author = {A. B. Davydov and N. M. Matveev},
     title = {Asymptotic behavior of the solutions of higher-order ordinary differential equations with a turning point},
     journal = {Differencialʹnye uravneni\^a},
     pages = {347--349},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_2_a20/}
}