@article{DE_2002_38_8_a21,
     author = {V. E. Fedorov and O. A. Ruzakova},
     title = {One-Dimensional {Controllability} of {Sobolev} {Linear} {Equations} in {Hilbert} {Spaces}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1137--1139},
     publisher = {mathdoc},
     volume = {38},
     number = {8},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_8_a21/}
}