On an open problem of Guo-Skiba
Crossref DOI link: https://doi.org/10.1007/s11464-016-0572-5
Published Online: 2016-07-22
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Wu, Zhenfeng
Guo, Wenbin
Li, Baojun
License valid from 2016-07-22
