@article{Pozharska_Romanyuk2026MatStudii, 
author={Pozharska, K. and Romanyuk, A. S.}, 
title={Approximation characteristics of {N}ikolskii-{B}esov and {S}obolev classes in the space {$B_{q,1}$}},
journal={Matematychni Studii}, 
volume={66}, 
DOI={10.30970/ms.66.1.57-70}, 
year={2026}, 
pages={57-70},
}