@article{Motornaya_Motornyi_2008, title={Comparison theorems for some nonsymmetric classes of functions}, volume={60}, url={https://umj.imath.kiev.ua/index.php/umj/article/view/3212}, abstractNote={We prove comparison theorems of the Kolmogorov type for some nonsymmetric classes of functions.}, number={7}, journal={Ukrains’kyi Matematychnyi Zhurnal}, author={Motornaya, O. V. and Motornyi, V. P.}, year={2008}, month={Jul.}, pages={969–975} }