On a sum form functional equation containing five unknown mappings
Crossref DOI link: https://doi.org/10.1007/s00010-016-0440-0
Published Online: 2016-09-15
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Nath, P.
Singh, D. K.
License valid from 2016-09-15