Geodesic
Discriminant of the characteristic polynomial of a normal matrix
Matematičeskie zametki, Tome 51 (1992) no. 3, pp. 16-23 
N. V. Ilyushechkin. Discriminant of the characteristic polynomial of a normal matrix. Matematičeskie zametki, Tome 51 (1992) no. 3, pp. 16-23. http://geodesic.mathdoc.fr/item/MZM_1992_51_3_a2/
@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},
     year = {1992},
     volume = {51},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1992_51_3_a2/}
}
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