@article{FPM_2007_13_4_a10,
     author = {V. M. Futornyi and R. A. Horn and V. V. Sergeichuk},
     title = {Classification of squared normal operators on unitary and {Euclidean} spaces},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {225--232},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2007_13_4_a10/}
}