@article{DE_1998_34_8_a3,
     author = {A. N. Vetokhin},
     title = {On the {Baire} classification of residual exponents},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1039--1042},
     publisher = {mathdoc},
     volume = {34},
     number = {8},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_8_a3/}
}