Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1976__4_a2, author = {B. \ensuremath{\Gamma}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\kappa}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma} and \ensuremath{\Delta}. Z\ensuremath{\acute\epsilon}\ensuremath{\rho}\ensuremath{\beta}\ensuremath{\alpha}\ensuremath{\varsigma}}, title = {\ensuremath{\Delta}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\acute\upsilon}\ensuremath{\sigma}\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 = {21-23}, publisher = {mathdoc}, volume = {4}, year = {1976}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1976__4_a2/} }
Β. Γιαννακόπουλος; Δ. Ζέρβας. Διανύσματα. Μαθηματική Επιθεώρηση , Tome 4 (1976), p. 21-23. http://geodesic.mathdoc.fr/item/MR_1976__4_a2/