Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1984__28_a3, author = {Pavlos Sinopoulos}, title = {A {New} {Generalization} of {Sine} and cosine functional equations}, journal = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta} }, pages = {43-49}, publisher = {mathdoc}, volume = {28}, year = {1984}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1984__28_a3/} }
Pavlos Sinopoulos. A New Generalization of Sine and cosine functional equations. Μαθηματική Επιθεώρηση , Tome 28 (1984), p. 43-49. http://geodesic.mathdoc.fr/item/MR_1984__28_a3/