Association Journal of CSIAM
Supervised by Ministry of Education of PRC
Sponsored by Xi'an Jiaotong University
ISSN 1005-3085  CN 61-1269/O1
Chinese Journal of Engineering Mathematics
Reduction of Multi-decision Covering Information Systems
XU Li-ting, LI Jin-jin, LIN Yi-dong, LI Yi-liang
Chinese Journal of Engineering Mathematics . 2021, (4): 490 -502 .  DOI: 10.3969/j.issn.1005-3085.2021.04.004