Geodesic
The discriminant of the characteristic equation of a symmetric matrix
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1961), pp. 90-97 
Yu. P. Kremneva. The discriminant of the characteristic equation of a symmetric matrix. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1961), pp. 90-97. http://geodesic.mathdoc.fr/item/IVM_1961_1_a8/
@article{IVM_1961_1_a8,
     author = {Yu. P. Kremneva},
     title = {The discriminant of the characteristic equation of a symmetric matrix},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {90--97},
     year = {1961},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1961_1_a8/}
}
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