作者:hen-ming Ma, Wei Yang and Bao-Qing Hu
标题:Soft set theory based on its extension
来源:Fuzzy Information and Engineering,2010, Volume 2, Number 4, Pages 423-432
相关连接:https://springerlink3.metapress.com/content/0r2143660212k071/resource-secured/?target=fulltext.pdf&sid=l3uxqq55kz2onw55omudqmf5&sh=springer.lib.tsinghua.edu.cn