Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1975__3_a69, author = {B. E\ensuremath{\upsilon}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\theta}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma} and B. \ensuremath{\Gamma}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\kappa}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma}}, title = {T\ensuremath{\alpha} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha}} \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\varsigma} {\ensuremath{\Delta}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\varepsilon}\ensuremath{\delta}\ensuremath{\acute\alpha}\ensuremath{\zeta}o\ensuremath{\upsilon}\ensuremath{\nu}...}}, 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 = {119-120}, publisher = {mathdoc}, volume = {3}, year = {1975}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1975__3_a69/} }
Β. Ευσταθόπουλος; Β. Γιαννακόπουλος. Τα Μαθηματικά μας Διασκεδάζουν.... Μαθηματική Επιθεώρηση , Tome 3 (1975), p. 119-120. http://geodesic.mathdoc.fr/item/MR_1975__3_a69/