Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1974__1_a32, author = { }, title = {\ensuremath{\Pi}\ensuremath{\rho}o\ensuremath{\beta}\ensuremath{\lambda}\ensuremath{\acute\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha} \ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\alpha} \'{o}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma}.}, 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 = {31-32}, publisher = {mathdoc}, volume = {1}, year = {1974}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1974__1_a32/} }
. Προβλήματα για όλες τις τάξεις.. Μαθηματική Επιθεώρηση , Tome 1 (1974), p. 31-32. http://geodesic.mathdoc.fr/item/MR_1974__1_a32/