Vague集及其相似度量的新方法
金 兰,杨 勇,牛彩云
Vague sets and its new similarity measure
JIN Lan,YANG Yong,NIU Cai-yun
计算机工程与应用 . 2009, (29): 31 -33 .  DOI: 10.3778/j.issn.1002-8331.2009.29.009