Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{EUA_1976-1977__04_a7, author = { }, title = {\'{}E\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\acute\upsilon}\ensuremath{\pi}o\ensuremath{\varsigma} \ensuremath{\upsilon}\ensuremath{\pi}o\ensuremath{\lambda}o\ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\mu}o\ensuremath{\acute\upsilon} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\gamma}\ensuremath{\omega}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\acute\omega}\ensuremath{\nu} \ensuremath{\varepsilon}\ensuremath{\nu}\'{o}\ensuremath{\varsigma} o\ensuremath{\rho}\ensuremath{\theta}o\ensuremath{\gamma}\ensuremath{\omega}\ensuremath{\nu}\ensuremath{\acute\iota}o\ensuremath{\upsilon} \ensuremath{\delta}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\pi}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\upsilon}\ensuremath{\rho}\ensuremath{\acute\omega}\ensuremath{\nu} \ensuremath{\tau}o\ensuremath{\upsilon}}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} A }, pages = {24-24}, publisher = {mathdoc}, volume = {04}, year = {1976-1977}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUA_1976-1977__04_a7/} }
. Ένας τύπος υπολογισμού των γωνιών ενός ορθογωνίου δια των πλευρών του. Ευκλείδης Α , Tome 04 (1976-1977), p. 24. http://geodesic.mathdoc.fr/item/EUA_1976-1977__04_a7/