@article{EUG_1983_2_a22,
     author = {T. \ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\omega}\ensuremath{\nu}\ensuremath{\eta}\ensuremath{\varsigma} and  \ensuremath{\Xi}. \ensuremath{\Psi}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\acute\eta}},
     title = {\ensuremath{\Pi}\ensuremath{\acute\omega}\ensuremath{\varsigma} \ensuremath{\acute\epsilon}\ensuremath{\nu}\ensuremath{\alpha} \ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\lambda}\ensuremath{\acute\iota}\ensuremath{\gamma}\ensuremath{\eta} \ensuremath{\varphi}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\iota}\ensuremath{\alpha} \ensuremath{\mu}\ensuremath{\pi}o\ensuremath{\rho}o\ensuremath{\acute\upsilon}\ensuremath{\nu} \ensuremath{\nu}\ensuremath{\alpha} \ensuremath{\gamma}\ensuremath{\acute\iota}\ensuremath{\nu}o\ensuremath{\upsilon}\ensuremath{\nu} \ensuremath{\gamma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {23--25},
     year = {1983},
     volume = {2},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1983_2_a22/}
}