Ukrainian Mathematical Bulletin / Issue (2019, 16 (3))
Vlasyk H. M., Shkapa V. V., Zamrii I. V. Estimates of the best orthogonal trigonometric approximations and orthoprojective widths of the classes of periodic functions of many variables in a uniform metric
Cite: 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. Ukrainian Mathematical Bulletin, 16 (3), 448-460. http://jnas.nbuv.gov.ua/article/UJRN-0001100830 [In Ukrainian]. |