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中文
k
-tree core problem with degree constraint in tree network
YANG Jian-fang
1
，LIU Jian-zhen
1
，HUANG Sun-qin
2
Computer Engineering and Applications . 2009, (
34
): 41 -43 . DOI: 10.3778/j.issn.1002-8331.2009.34.013
