Several closed expressions for the Euler numbers
Crossref DOI link: https://doi.org/10.1186/s13660-015-0738-9
Published Online: 2015-07-02
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Wei, Chun-Fu
Qi, Feng
License valid from 2015-07-02
