@article{DAN_1994_337_5_a4,
     author = {G. A. Sviridyuk},
     title = {Sobolev-type linear equations and strongly continuous semigroups},
     journal = {Doklady Akademii Nauk},
     pages = {581--584},
     publisher = {mathdoc},
     volume = {337},
     number = {5},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_337_5_a4/}
}