@article{IVM_1997_5_a8,
     author = {G. A. Sviridyuk and A. V. Keller},
     title = {Invariant spaces and dichotomies of solutions of a~class of linear equations of the {Sobolev} type},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {60--68},
     publisher = {mathdoc},
     number = {5},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1997_5_a8/}
}