@article{EUG_1992__33-34-35_a4,
     author = {\ensuremath{\Phi}. K\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\beta}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma} and  \ensuremath{\Lambda}. \ensuremath{\Lambda}\ensuremath{\iota}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\delta}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {H \ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\acute\iota}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\psi}\ensuremath{\eta} \ensuremath{\pi}o\ensuremath{\upsilon} \ensuremath{\delta}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\mu}o\ensuremath{\rho}\ensuremath{\varphi}\ensuremath{\acute\omega}\ensuremath{\nu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\alpha} \ensuremath{\sigma}\ensuremath{\acute\upsilon}\ensuremath{\nu}o\ensuremath{\lambda}\ensuremath{\alpha} \ensuremath{\mu}\ensuremath{\acute\epsilon}\ensuremath{\sigma}\ensuremath{\alpha} \ensuremath{\alpha}\ensuremath{\pi}΄\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} \ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\tau}o\ensuremath{\upsilon}\ensuremath{\rho}\ensuremath{\gamma}\ensuremath{\acute\iota}\ensuremath{\alpha} \ensuremath{\tau}o\ensuremath{\upsilon}\ensuremath{\varsigma} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha} \ensuremath{\sigma}\ensuremath{\chi}o\ensuremath{\lambda}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha} \ensuremath{\mu}\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 = {51-55},
     publisher = {mathdoc},
     volume = {33-34-35},
     year = {1992},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1992__33-34-35_a4/}
}