@article{MR_2003_59_a6, author = {\ensuremath{\Theta}. \ensuremath{\Gamma}. \ensuremath{\Gamma}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\mu}\ensuremath{\mu}\ensuremath{\acute\epsilon}\ensuremath{\nu}o\ensuremath{\varsigma}}, title = {\ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\pi}o\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\lambda}\'{o}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\varsigma} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\eta} \ensuremath{\delta}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\varphi}o\ensuremath{\rho}o-\ensuremath{\gamma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} \ensuremath{\delta}o\ensuremath{\mu}\ensuremath{\acute\eta} \ensuremath{\tau}o\ensuremath{\upsilon}\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 = {39--46}, year = {2003}, volume = {59}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_2003_59_a6/} }