Pustovalov, V. A. Strong continuous summability methods for trigonometric series. (English. Russian original) Zbl 0169.07804 Math. USSR, Sb. 2(1967), 419-443 (1968); translation from Mat. Sb., n. Ser. 73(115), 474-499 (1967). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:approximation and series expansion PDF BibTeX XML Cite \textit{V. A. Pustovalov}, Math. USSR, Sb. 2, 419--443 (1968; Zbl 0169.07804); translation from Mat. Sb., n. Ser. 73(115), 474--499 (1967) Full Text: DOI