Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1976__4_a155, author = {T. \ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\omega}\ensuremath{\nu}\ensuremath{\eta}\ensuremath{\varsigma} and M. \ensuremath{\Gamma}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\acute\alpha}\ensuremath{\kappa}o\ensuremath{\upsilon}}, title = {M\ensuremath{\varepsilon} \ensuremath{\pi}\'{o}\ensuremath{\sigma}o\ensuremath{\upsilon}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\rho}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\varsigma} \ensuremath{\gamma}\ensuremath{\acute\iota}\ensuremath{\nu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\iota};}, 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 = {1-4}, publisher = {mathdoc}, volume = {4}, year = {1976}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1976__4_a155/} }
Τ. Πατρώνης; Μ. Γιαννακάκου. Με πόσους τρόπους γίνεται;. Μαθηματική Επιθεώρηση , Tome 4 (1976), p. 1-4. http://geodesic.mathdoc.fr/item/MR_1976__4_a155/