@article{DE_1990_26_9_a15,
     author = {V. I. Nazarov},
     title = {Solvability of linear differential equations in scales of {Roumieu} spaces that are constructed by means of a given unbounded linear operator},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1598--1608},
     publisher = {mathdoc},
     volume = {26},
     number = {9},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_9_a15/}
}