@article{MZM_1992_51_3_a2,
     author = {N. V. Ilyushechkin},
     title = {Discriminant of the characteristic polynomial of a normal matrix},
     journal = {Matemati\v{c}eskie zametki},
     pages = {16--23},
     publisher = {mathdoc},
     volume = {51},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1992_51_3_a2/}
}