Singer, I. (1974). The theory of best approximation and functional analysis. Society for Industrial and Applied Mathematics (SIAM, 3600 Market Street, Floor 6, Philadelphia, PA 19104). https://doi.org/10.1137/1.9781611970548
Chicago-Zitierstil (17. Ausg.)Singer, Ivan. The Theory of Best Approximation and Functional Analysis. Philadelphia, Pa: Society for Industrial and Applied Mathematics (SIAM, 3600 Market Street, Floor 6, Philadelphia, PA 19104), 1974. https://doi.org/10.1137/1.9781611970548.
MLA-Zitierstil (9. Ausg.)Singer, Ivan. The Theory of Best Approximation and Functional Analysis. Society for Industrial and Applied Mathematics (SIAM, 3600 Market Street, Floor 6, Philadelphia, PA 19104), 1974. https://doi.org/10.1137/1.9781611970548.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.