@article{DE_1988_24_3_a15,
     author = {Yu. I. Karlovich and R. Mardiev},
     title = {The one-sided invertibility of functional operators and the $n(d)$-normality of singular integral operators with shift in {H\"older} spaces},
     journal = {Differencialʹnye uravneni\^a},
     pages = {488--499},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_3_a15/}
}