共 9 条
[1]
Nikol'skii S.M., On the best polynomial approximation of functions {pipe}a-x{pipe} <sup>s</sup> in the mean, Izv. Akad. Nauk SSSR, Ser. Mat., 11, 3, pp. 139-180, (1947)
[2]
Motornaya O.V., Improvement of one asymptotic result of Nikol'skii, Optimization of Approximation Methods, pp. 63-69, (1992)
[3]
Motornaya O.V., On the Best Approximation of Differentible Functions by Algebraic Polynomials in the Space L, (1993)
[4]
Motornaya O.V., On asymptotic estimates of the best approximations of differentiable functions by algebraic polynomials in the space L<sub>1</sub>, Ukr. Mat. Zh., 45, 6, pp. 859-862, (1993)
[5]
Motornyi V.P., Nitiema P.K., On the best L-approximation by polynomials of the functions which are fractional integrals of summable functions, East J. Appr., 2, 4, pp. 409-425, (1996)
[6]
Nikol'skii S.M., On the best linear method for polynomial approximation of differentiable functions in the mean, Dokl. Akad. Nauk SSSR, 58, 2, pp. 185-188, (1947)
[7]
Taikov L.V., On approximation of some classes of periodic functions in the mean, Tr. Mat. Inst. Akad. Nauk SSSR, 88, pp. 61-70, (1967)
[8]
Dzyadyk V.K., On the best approximation on classes of periodic functions defined by integrals of a linear combination of absolutely monotonic kernels, Mat. Zametki, 16, 5, pp. 691-701, (1974)
[9]
Korneichuk N.P., Exact Constants in the Theory of Approximations, (1987)