Geodesic
Real matrices depending on parameters
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 27 (1972) no. 1 
D. M. Galin. Real matrices depending on parameters. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 27 (1972) no. 1. http://geodesic.mathdoc.fr/item/RM_1972_27_1_a14/
@article{RM_1972_27_1_a14,
     author = {D. M. Galin},
     title = {Real matrices depending on parameters},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1972},
     volume = {27},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1972_27_1_a14/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

[1] V. I. Arnold, “O matritsakh, zavisyaschikh ot parametrov”, UMN, 26:2 (1971), 101–114 | MR