【作者(必填)】B. V. Simonov
【文题(必填)】On the Element of Best Nonsymmetric Approximation in Spaces with Nonsymmetric Quasinorm
【年份(必填)】November 2003, Volume 74, Issue 5-6, pp 853-863
【全文链接或数据库名称(选填)】
http://link.springer.com/article/10.1023%2FB%3AMATN.0000009022.34482.3e