@article{EU_1975-1976_3_a75, author = { }, title = {A\ensuremath{\xi}o\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} \ensuremath{\sigma}\ensuremath{\upsilon}\ensuremath{\mu}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}}, pages = {89--91}, year = {1975-1976}, volume = {3}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EU_1975-1976_3_a75/} }