@article{EUG_2004__60-61_a4,
     author = {Christine  Keitel},
     title = {To \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\varphi}\ensuremath{\acute\epsilon}\ensuremath{\sigma}\ensuremath{\tau}o \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} {\ensuremath{\Delta}\ensuremath{\iota}\ensuremath{\varepsilon}\ensuremath{\theta}\ensuremath{\nu}o\ensuremath{\acute\upsilon}\ensuremath{\varsigma}} {E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\tau}\ensuremath{\rho}o\ensuremath{\pi}\ensuremath{\acute\eta}\ensuremath{\varsigma}} \ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\eta} \ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\acute\epsilon}\ensuremath{\tau}\ensuremath{\eta} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\tau}\ensuremath{\eta} \ensuremath{\beta}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\tau}\ensuremath{\acute\iota}\ensuremath{\omega}\ensuremath{\sigma}\ensuremath{\eta} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\delta}\ensuremath{\iota}\ensuremath{\delta}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\acute\iota}\ensuremath{\alpha}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\omega}\ensuremath{\nu}} {(CIEAEM,} {Commission} {Internationale} pour {l΄Etude} et {l΄Amelioration} de {l΄Enseignement} des {Mathematiques).}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {103-112},
     publisher = {mathdoc},
     volume = {60-61},
     year = {2004},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_2004__60-61_a4/}
}