Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{EUG_1984__4_a111, author = {\ensuremath{\Pi}\ensuremath{\acute\alpha}\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\alpha} N\ensuremath{\acute\iota}\ensuremath{\kappa}\ensuremath{\eta} and \ensuremath{\Pi}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\varphi}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Theta}\ensuremath{\acute\omega}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\varsigma} and T\ensuremath{\zeta}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}\ensuremath{\varsigma} N\ensuremath{\acute\iota}\ensuremath{\kappa}o\ensuremath{\varsigma}}, title = {\ensuremath{\Gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\eta} {\ensuremath{\Gamma}} \ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\eta} : {K\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\tau}\'{o}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\alpha}} \ensuremath{\sigma}\ensuremath{\tau}o \ensuremath{\chi}\ensuremath{\acute\omega}\ensuremath{\rho}o}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma} }, pages = {117-125}, publisher = {mathdoc}, volume = {4}, year = {1984}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUG_1984__4_a111/} }
Πάλλα Νίκη; Πρίφτης Θώμας; Τζανάκης Νίκος. Για τη Γ τάξη : Καθετότητα στο χώρο. Ευκλείδης Γ , Tome 4 (1984), p. 117-125. http://geodesic.mathdoc.fr/item/EUG_1984__4_a111/