A new upper bound of geometric constant D ( X ) $D(X)$
Crossref DOI link: https://doi.org/10.1186/s13660-017-1474-0
Published Online: 2017-08-31
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Li, Jin Huan http://orcid.org/0000-0002-6480-7036
Ling, Bo
Liu, San Yang
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