@article{DE_2002_38_5_a5,
     author = {A. O. Remizov},
     title = {On {Proper} {Singular} {Points} of {Ordinary} {Differential} {Equations} {Unsolved} for {Derivatives}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {622--630},
     publisher = {mathdoc},
     volume = {38},
     number = {5},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_5_a5/}
}