An extension of Van Vleck’s functional equation for the sine
Crossref DOI link: https://doi.org/10.1007/s10474-016-0630-1
Published Online: 2016-06-20
Published Print: 2016-10
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Belaid, B.
Elhoucien, E.
License valid from 2016-06-20