On the exact values of the best approximations of classes of differentiable periodic functions by splines

Babenko, V. F. / Parfinovich, N. V. | British Library Online Contents | 2010

Isometries on differentiable Lipschitz functions

Wang, Ya-Shu | British Library Online Contents | 2018

Asymptotic equalities for best approximations for classes of infinitely differentiable functions defined by the modulus of continuity

Serdyuk, A. S. / Sokolenko, I. V. | British Library Online Contents | 2016

Local Approximations

Springer Verlag | 2002

Continuous convex MS-differentiable function need not Be HL-differentiable

Averbuch, V. / Konderla, T. | British Library Online Contents | 2012