TY - JOUR AU - M. G. Magomed-Kasumov AU - S. R. Magomedov TI - Fast Fourier transform in a system of functions that are orthogonal in the sense of Sobolev and generated by the Walsh system JO - Daghestan Electronic Mathematical Reports PY - 2021 SP - 55 EP - 66 VL - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DEMR_2021_15_a3/ LA - ru ID - DEMR_2021_15_a3 ER -