Vlasyk, H. M., Shkapa, V. V., & Zamrii, I. V. (2019). Estimates of the best orthogonal trigonometric approximations and orthoprojective widths of the classes of periodic functions of many variables in a uniform metric.
Chicago Style (17th ed.) CitationVlasyk, H. M., V. V. Shkapa, and I. V. Zamrii. Estimates of the Best Orthogonal Trigonometric Approximations and Orthoprojective Widths of the Classes of Periodic Functions of Many Variables in a Uniform Metric. 2019.
MLA (8th ed.) CitationVlasyk, H. M., et al. Estimates of the Best Orthogonal Trigonometric Approximations and Orthoprojective Widths of the Classes of Periodic Functions of Many Variables in a Uniform Metric. 2019.
Warning: These citations may not always be 100% accurate.