Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{EUG_1983__1_a14, author = {\ensuremath{\Sigma}\ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\mu}\ensuremath{\eta} T\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\pi}o\ensuremath{\acute\upsilon}\ensuremath{\lambda}o\ensuremath{\upsilon}}, title = {K\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\pi}\ensuremath{\acute\alpha}\ensuremath{\lambda}\ensuremath{\iota} \ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\acute\epsilon}\ensuremath{\sigma}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\pi}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\xi}\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} \ensuremath{\Gamma} }, pages = {14-17}, publisher = {mathdoc}, volume = {1}, year = {1983}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUG_1983__1_a14/} }
Στάμη Τσικοπούλου. Και πάλι για τις τέσσερις πράξεις.. Ευκλείδης Γ , Tome 1 (1983), p. 14-17. http://geodesic.mathdoc.fr/item/EUG_1983__1_a14/