Approximation of compressions of periodic functions in the spaceL p,p<1

We investigate the behavior of the best approximation of compressions of functions by trigonometric polynomials in the spaceL_p, p<1.Translated from Ukrainskii Matematicheskii Zhurnal, Vol.47, No. 12, pp. 1708–1711, December, 1995.This work was financially supported by the Foundation for Fundamental Research of the Ukrainian State Committee on Science and Technology.