@article{IVM_2002_2_a5,
     author = {Yu. A. Konyaev},
     title = {The method of unitary transformations in stability theory},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {41--45},
     publisher = {mathdoc},
     number = {2},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2002_2_a5/}
}