@article{EUG_1986_13_a1,
     author = {X\ensuremath{\rho}\'{o}\ensuremath{\nu}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Sigma}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\zeta}\ensuremath{\alpha}\ensuremath{\lambda}o\ensuremath{\varsigma}},
     title = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\pi}\ensuremath{\acute\iota}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}: {\'{}E\ensuremath{\nu}\ensuremath{\alpha}} \ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\delta}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\gamma}\ensuremath{\mu}\ensuremath{\alpha} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\pi}o\ensuremath{\acute\iota}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma}} \ensuremath{\varepsilon}\ensuremath{\nu}\'{o}\ensuremath{\varsigma} \ensuremath{\pi}\ensuremath{\rho}o\ensuremath{\beta}\ensuremath{\lambda}\ensuremath{\acute\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}o\ensuremath{\varsigma} \ensuremath{\alpha}\ensuremath{\pi}\'{o} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} \ensuremath{\sigma}\ensuremath{\acute\upsilon}\ensuremath{\gamma}\ensuremath{\chi}\ensuremath{\rho}o\ensuremath{\nu}\ensuremath{\eta} \ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\chi}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {70--90},
     year = {1986},
     volume = {13},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1986_13_a1/}
}