Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{EUA_1989-1990__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 = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} A
},
pages = {32-33},
publisher = {mathdoc},
volume = {3},
year = {1989-1990},
language = {gr},
url = {http://geodesic.mathdoc.fr/item/EUA_1989-1990__3_a30/}
}
. Χρησιμότητα των Συστημάτων. Ευκλείδης Α , Tome 3 (1989-1990), p. 32-33. http://geodesic.mathdoc.fr/item/EUA_1989-1990__3_a30/