Singer, Ivan Best approximation in normed linear spaces by elements of linear subspaces. (English) Zbl 0197.38601 Die Grundlehren der mathematischen Wissenschaften. 171. Bucharest: Publishing House of the Academy of the Socialist Republic of Romania; Berlin-Heidelberg-New York: Springer-Verlag 415 p. (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 9 ReviewsCited in 463 Documents MSC: 46B28 Spaces of operators; tensor products; approximation properties Keywords:functional analysis PDFBibTeX XML