On two functional equations with involution on groups related to sine and cosine functions
Crossref DOI link: https://doi.org/10.1007/s00010-014-0309-z
Published Online: 2014-10-09
Published Print: 2015-10
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Perkins, Allison M.
Sahoo, Prasanna K.
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