Storozhenko, Eh. A. Approximation by linear methods of summation of orthogonal series. (Russian) Zbl 0197.05001 Mat. Zametki 3, 345-356 (1968). 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{Eh. A. Storozhenko}, Mat. Zametki 3, 345--356 (1968; Zbl 0197.05001)