@article{EUG_1987_15_a25,
     author = {X\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\mu}\ensuremath{\pi}o\ensuremath{\varsigma} \ensuremath{\Sigma}. To\ensuremath{\upsilon}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {M\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\delta}\ensuremath{\iota}\ensuremath{\pi}\ensuremath{\lambda}\ensuremath{\acute\eta} {\ensuremath{\Gamma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}} {A\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\sigma}\'{o}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\alpha}} \ensuremath{\sigma}\ensuremath{\tau}o {T\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\gamma}\ensuremath{\omega}\ensuremath{\nu}o}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {60--69},
     year = {1987},
     volume = {15},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1987_15_a25/}
}