@article{IVM_1992_10_a6,
     author = {V. I. Nazarov and D. T. Nguen},
     title = {Solvability of linear differential equations in scales of {Banach} spaces which are constructed by given collection of linear unbounded operators},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {34--40},
     publisher = {mathdoc},
     number = {10},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1992_10_a6/}
}