@article{EUG_1989_23_a18,
     author = {K\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\delta}\ensuremath{\rho}\ensuremath{\upsilon}\ensuremath{\mu}\ensuremath{\acute\iota}\ensuremath{\delta}o\ensuremath{\upsilon} M\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}},
     title = {M\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\nu}\ensuremath{\omega}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\varepsilon}\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\mu}\'{o}\ensuremath{\rho}\ensuremath{\varphi}\ensuremath{\omega}\ensuremath{\sigma}\ensuremath{\eta} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\delta}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\acute\alpha}\ensuremath{\lambda}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\omega}\ensuremath{\nu}.},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {51--59},
     year = {1989},
     volume = {23},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1989_23_a18/}
}