@article{MR_1976_4_a129, author = {\ensuremath{\Gamma}. M\ensuremath{\varepsilon}\ensuremath{\nu}\ensuremath{\delta}\ensuremath{\omega}\ensuremath{\nu}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}}, title = {\ensuremath{\Gamma}\ensuremath{\omega}\ensuremath{\nu}\ensuremath{\acute\iota}\ensuremath{\varepsilon}\ensuremath{\varsigma}}, 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 = {14--15}, year = {1976}, volume = {4}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1976_4_a129/} }