Media type: E-Article Title: Best n-Term Approximations in Spaces with Nonsymmetric Metric Contributor: Rukasov, V. I. Published: Springer Science and Business Media LLC, 2003 Published in: Ukrainian Mathematical Journal, 55 (2003) 4, Seite 601-612 Language: English DOI: 10.1023/b:ukma.0000010160.23723.0d ISSN: 0041-5995 Keywords: General Mathematics Origination: Footnote: