@article{EUG_1990__26_a24,
     author = {A\ensuremath{\pi}\'{o}\ensuremath{\sigma}\ensuremath{\tau}o\ensuremath{\lambda}o\ensuremath{\varsigma} I. X\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\zeta}\ensuremath{\eta}\ensuremath{\gamma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\rho}\ensuremath{\gamma}\ensuremath{\acute\iota}o\ensuremath{\upsilon}},
     title = {T\ensuremath{\varepsilon}\ensuremath{\chi}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} {\ensuremath{\Pi}\ensuremath{\rho}o\ensuremath{\gamma}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\mu}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha}} \ensuremath{\pi}o\ensuremath{\upsilon} {X\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\mu}o\ensuremath{\pi}o\ensuremath{\iota}o\ensuremath{\acute\upsilon}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\iota}} \ensuremath{\mu}\ensuremath{\varepsilon} {\ensuremath{\Sigma}\ensuremath{\tau}\'{o}\ensuremath{\chi}o} \ensuremath{\tau}\ensuremath{\eta} {B\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\tau}\ensuremath{\acute\iota}\ensuremath{\omega}\ensuremath{\sigma}\ensuremath{\eta}} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} {\ensuremath{\Sigma}\ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\nu}} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\acute\omega}\ensuremath{\nu}} {A\ensuremath{\pi}\ensuremath{\acute\epsilon}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\iota}} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha}.}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {60-65},
     publisher = {mathdoc},
     volume = {26},
     year = {1990},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1990__26_a24/}
}