@article{DE_2002_38_8_a5,
     author = {V. A. Yumaguzhin},
     title = {The {Classification} of {Linear} {Ordinary} {Differential} {Equations:} {I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1063--1070},
     publisher = {mathdoc},
     volume = {38},
     number = {8},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_8_a5/}
}