@article{IVM_2007_7_a9,
     author = {V. I. Ushakov},
     title = {The {Sobolev} type equations with a nonsurjective operator at the time derivative},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {76--79},
     publisher = {mathdoc},
     number = {7},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2007_7_a9/}
}