@article{EUG_1987__14_a33,
     author = {B. Z\ensuremath{\acute\omega}\ensuremath{\tau}o\ensuremath{\varsigma} and  E. Ko\ensuremath{\theta}\ensuremath{\acute\alpha}\ensuremath{\lambda}\ensuremath{\eta} and  \ensuremath{\Gamma}. \ensuremath{\Gamma}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\zeta}\ensuremath{\iota}\ensuremath{\acute\omega}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} and  B. \ensuremath{\Delta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}\ensuremath{\varsigma} and  E. K\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\kappa}o\ensuremath{\acute\upsilon}\ensuremath{\nu}\ensuremath{\eta} and  M. \ensuremath{\Lambda}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\upsilon}\ensuremath{\delta}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}\ensuremath{\varsigma} and  M. \ensuremath{\Sigma}o\ensuremath{\upsilon}\ensuremath{\lambda}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\nu}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma}},
     title = {O\ensuremath{\iota} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma}} \ensuremath{\gamma}\ensuremath{\nu}\ensuremath{\acute\omega}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\acute\omega}\ensuremath{\nu}} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} {\ensuremath{\Gamma}΄} {\ensuremath{\Gamma}\ensuremath{\upsilon}\ensuremath{\mu}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\iota}o\ensuremath{\upsilon}.}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {63-71},
     publisher = {mathdoc},
     volume = {14},
     year = {1987},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1987__14_a33/}
}