Some criteria for concave conformal mappings
Crossref DOI link: https://doi.org/10.1186/s13660-015-0640-5
Published Online: 2015-04-04
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Wang, Zhi-Gang
Li, Ming-Liang
License valid from 2015-04-04