Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1976__4_a149, author = {\ensuremath{\Phi}. K\ensuremath{\alpha}\ensuremath{\beta}o\ensuremath{\upsilon}\ensuremath{\kappa}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma} and \ensuremath{\Lambda}. M\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\sigma}o\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\eta}\ensuremath{\varsigma}}, title = {\ensuremath{\Sigma}\ensuremath{\upsilon}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\acute\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha} \ensuremath{\varepsilon}\ensuremath{\xi}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\acute\omega}\ensuremath{\sigma}\ensuremath{\varepsilon}\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 = {45-48}, publisher = {mathdoc}, volume = {4}, year = {1976}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1976__4_a149/} }
Φ. Καβουκόπουλος; Λ. Μασσοστασής. Συστήματα εξισώσεων. Μαθηματική Επιθεώρηση , Tome 4 (1976), p. 45-48. http://geodesic.mathdoc.fr/item/MR_1976__4_a149/