Zygmund, Antoni On the degree of approximation of functions by Fejer means. (English) Zbl 0061.13701 Bull. Am. Math. Soc. 51, 274-278 (1945). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 12 Documents Keywords:approximation and series expansion × Cite Format Result Cite Review PDF Full Text: DOI