Potapov М. and Simonov Б. (2021) “Inequalities Refining Relationships Between Mixed Modules of Smoothness In Metrics of $L_p$ and $L_\infty$”, Bulletin of L.N. Gumilyov Eurasian National University. Mathematics, computer science, mechanics series, 134(1), pp. 19–34. doi: 10.32523/2616-678X-2020-134-1-19-34.