Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1974__1_a108, author = {\ensuremath{\Lambda}. \ensuremath{\Theta}\ensuremath{\varepsilon}o\ensuremath{\delta}\ensuremath{\acute\omega}\ensuremath{\rho}o\ensuremath{\upsilon}}, title = {A\ensuremath{\pi}\'{o} \ensuremath{\tau}\ensuremath{\alpha} {\ensuremath{\Sigma}\ensuremath{\acute\upsilon}\ensuremath{\nu}o\ensuremath{\lambda}\ensuremath{\alpha}}}, 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 = {12-13}, publisher = {mathdoc}, volume = {1}, year = {1974}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1974__1_a108/} }
Λ. Θεοδώρου. Από τα Σύνολα. Μαθηματική Επιθεώρηση , Tome 1 (1974), p. 12-13. http://geodesic.mathdoc.fr/item/MR_1974__1_a108/