Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{EU_1975-1976__4_a141, author = {\ensuremath{\Gamma}. \ensuremath{\Pi}o\ensuremath{\lambda}\ensuremath{\acute\upsilon}\ensuremath{\zeta}o\ensuremath{\varsigma}}, title = {\ensuremath{\Sigma}\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\tau}\ensuremath{\acute\eta}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma}}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} }, pages = {24-26}, publisher = {mathdoc}, volume = {4}, year = {1975-1976}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EU_1975-1976__4_a141/} }
Γ. Πολύζος. Συναρτήσεις. Ευκλείδης , Tome 4 (1975-1976), p. 24-26. http://geodesic.mathdoc.fr/item/EU_1975-1976__4_a141/