Two notes on the history of mathematics
Matematičeskoe obrazovanie, Tome 98 (2021) no. 2, pp. 71-80.

Voir la notice de l'article provenant de la source Math-Net.Ru

The first article tells about the scientific achievements of Nikolai Orem, which anticipated a lot of results of his famous followers. The second tells about the life path, scientific and pedagogical merits of Leonty Filippovich Magnitsky, the author of the famous “Arithmetics”.
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B. L. Druzhinin. Two notes on the history of mathematics. Matematičeskoe obrazovanie, Tome 98 (2021) no. 2, pp. 71-80. http://geodesic.mathdoc.fr/item/MO_2021_98_2_a8/

[1] A. P. Yushkevich (red.), Istoriya matematiki, Nauka, M., 1970

[2] V. A. Nikiforovskii, Iz istorii algebry XVI-XVII vv., Nauka, M., 1979

[3] D. Samin, 100 velikikh uchenykh, M., 2004

[4] A. P. Bogolyubov, Matematiki. Mekhaniki. Biograficheskii spravochnik, Kiev, 1983