@article{EUG_1993__36-37_a4,
     author = {\ensuremath{\Delta}. \ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\acute\iota}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\varsigma} and  \ensuremath{\Gamma}. M\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}\ensuremath{\acute\epsilon}\ensuremath{\kappa}o\ensuremath{\varsigma} and  \ensuremath{\Gamma}. \ensuremath{\Sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\acute\upsilon}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\varsigma} and  E. X\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\tau}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} and  I. \ensuremath{\Sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} and  K. \ensuremath{\Theta}\ensuremath{\varepsilon}o\ensuremath{\delta}\ensuremath{\omega}\ensuremath{\rho}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma}},
     title = {\ensuremath{\Delta}\ensuremath{\iota}\ensuremath{\delta}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} {\ensuremath{\Sigma}\ensuremath{\chi}\ensuremath{\acute\epsilon}\ensuremath{\sigma}\ensuremath{\eta}} {A\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\upsilon}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma}} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\varsigma}} {\ensuremath{\Gamma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}\ensuremath{\varsigma}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {43-50},
     publisher = {mathdoc},
     volume = {36-37},
     year = {1993},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1993__36-37_a4/}
}