Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1975__3_a30,
author = { },
title = {X\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\mu}\'{o}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} {\ensuremath{\Sigma}\ensuremath{\upsilon}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\tau}\ensuremath{\omega}\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 = {32-33},
publisher = {mathdoc},
volume = {3},
year = {1975},
language = {gr},
url = {http://geodesic.mathdoc.fr/item/MR_1975__3_a30/}
}
. Χρησιμότητα των Συστημάτων. Μαθηματική Επιθεώρηση , Tome 3 (1975), p. 32-33. http://geodesic.mathdoc.fr/item/MR_1975__3_a30/