A functional equation with involution related to the cosine function
Crossref DOI link: https://doi.org/10.1007/s00010-015-0363-1
Published Online: 2015-06-26
Published Print: 2016-02
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Perkins, Allison M.
Sahoo, Prasanna K.
Text and Data Mining valid from 2015-06-26
