00649naa#a2200169#i#450# EN\\bibl\19060 20260122035253.4 20251230b2025####ek#y0engy0150####ca RU PROPERTIES OF MIXED MODULI OF SMOOTHNESS OF FUNCTIONS WITH MONOTONE FOURIER COEFFICIENTS Conference article/thesis Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2025 5 с. Conference article/thesis local Теория функций. 517.5 Simonov A. B. Simonov B. V. bibl.vgltu.ru