@article{MR_2005__63_a8,
     author = {\ensuremath{\Sigma}. \ensuremath{\Phi}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\varepsilon}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\acute\iota}\ensuremath{\nu}o\ensuremath{\varsigma} and  \ensuremath{\Sigma}o\ensuremath{\varphi}\ensuremath{\acute\iota}\ensuremath{\alpha} K\ensuremath{\alpha}\ensuremath{\lambda}o\ensuremath{\gamma}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta} and  E\ensuremath{\upsilon}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\gamma}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\acute\iota}\ensuremath{\alpha} K\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\kappa}\ensuremath{\acute\alpha}},
     title = {O\ensuremath{\iota} \ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\sigma} \ensuremath{\pi}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\alpha}\ensuremath{\xi}\ensuremath{\iota}o\ensuremath{\lambda}\'{o}\ensuremath{\gamma}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\acute\omega}\ensuremath{\nu} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\eta} \ensuremath{\varepsilon}\ensuremath{\pi}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\eta} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\nu}\ensuremath{\acute\epsilon}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\chi}\ensuremath{\nu}o\ensuremath{\lambda}o\ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\acute\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 = {31-46},
     publisher = {mathdoc},
     volume = {63},
     year = {2005},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_2005__63_a8/}
}