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Found 52 Documents (Results 1–3)

Sevastyanov, E. A.

The rate of rational approximation of functions and their differentiability. (English) Zbl 0479.41013

Izv. Akad. Nauk SSSR, Ser. Mat. 44, 1410-1416 (1980).

MSC: 41A20 41A25

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On the rate of convergence of integrals of Gauss-Weierstrass type for functions of several variables. (Russian) Zbl 0479.40003

Izv. Akad. Nauk SSSR, Ser. Mat. 44, 1255-1278 (1980).

MSC: 40A10 41A25

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Geometry of singularities of a general quadratic form. (Russian) Zbl 0466.14006

Izv. Akad. Nauk SSSR, Ser. Mat. 44, 1200-1211 (1980).

MSC: 14F05 11E04 14J17 14J25 14B05

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