Geodesic
The correct solution of the problem of the numerical differentiation of functions of one or several variables
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 34 (1994) no. 12, pp. 1884-1889 
I. L. Osipov. The correct solution of the problem of the numerical differentiation of functions of one or several variables. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 34 (1994) no. 12, pp. 1884-1889. http://geodesic.mathdoc.fr/item/ZVMMF_1994_34_12_a10/
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Voir la notice de l'article provenant de la source Math-Net.Ru

[1] N. G. Volkov (red.), Matematika i SAPR, Kn. 2, Mir, M., 1989

[2] Osipov I. L., “Vosstanovlenie poverkhnosti, obladayuschei nepreryvnoi kriviznoi i zadannoi na ploskom tochechnom mnogoobrazii”, Zh. vychisl. matem. i matem. fiz., 32:9 (1992), 1387–1399 | MR | Zbl