Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1975__3_a149, author = {B\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\iota}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\varsigma} \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}.H} \ensuremath{\alpha}\ensuremath{\varphi}\ensuremath{\alpha}\ensuremath{\acute\iota}\ensuremath{\rho}\ensuremath{\varepsilon}\ensuremath{\sigma}\ensuremath{\eta}--}, 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 = {65-74}, publisher = {mathdoc}, volume = {3}, year = {1975}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1975__3_a149/} }
Βασίλης Πολυδούρης. Ελεύθερα μαθήματα.Η αφαίρεση--. Μαθηματική Επιθεώρηση , Tome 3 (1975), p. 65-74. http://geodesic.mathdoc.fr/item/MR_1975__3_a149/