@article{DAN_1966_169_5_a5,
     author = {L. A. Kaluzhnin and H. M. Havidi},
     title = {Geometric theory of the unitary equivalence of matrices},
     journal = {Doklady Akademii Nauk},
     pages = {1009--1012},
     publisher = {mathdoc},
     volume = {169},
     number = {5},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_169_5_a5/}
}