Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1975__3_a166, author = {B. \ensuremath{\Pi}o\ensuremath{\lambda}\ensuremath{\upsilon}\ensuremath{\delta}o\ensuremath{\acute\upsilon}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma}}, title = {E\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\upsilon}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\alpha} \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\acute\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\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 = {65-68}, publisher = {mathdoc}, volume = {3}, year = {1975}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1975__3_a166/} }
Β. Πολυδούρης. Ελεύθερα μαθήματα=. Μαθηματική Επιθεώρηση , Tome 3 (1975), p. 65-68. http://geodesic.mathdoc.fr/item/MR_1975__3_a166/