@article{EUG_1990__27_a18,
     author = {K\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\beta}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Phi}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\kappa}\ensuremath{\acute\iota}\ensuremath{\sigma}\ensuremath{\kappa}o\ensuremath{\varsigma}},
     title = {N\ensuremath{\acute\epsilon}\ensuremath{\alpha} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha}:} {A\ensuremath{\upsilon}\ensuremath{\tau}\'{o}} \ensuremath{\tau}o \ensuremath{\sigma}\ensuremath{\kappa}o\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\nu}\'{o} \ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\nu}o \ensuremath{\tau}o\ensuremath{\upsilon} \ensuremath{\pi}\'{o}\ensuremath{\theta}o\ensuremath{\upsilon} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\rho}o\ensuremath{\varphi}\ensuremath{\acute\eta}\ensuremath{\varsigma}.},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {64-72},
     publisher = {mathdoc},
     volume = {27},
     year = {1990},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1990__27_a18/}
}