文章基本信息

标题：Measures of Lindelof and separability in approach spaces
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作者：R. Baekeland ; R. Lowen
期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：1994
卷号：17
DOI：10.1155/S0161171294000840
出版社：Hindawi Publishing Corporation
摘要：In this paper we introduce the notions of separability and Lindelöf in approach spaces and investigate their behaviour under products and subspaces.