Sustaining degree and Triple I sustaining method based on family G- λ-0 of implication operators
ZHANG An-ying 1,ZHANG Xing-fang 2,LI Cheng-yun 2
Computer Engineering and Applications . 2009, (16): 53 -55 .  DOI: 10.3778/j.issn.1002-8331.2009.16.014