@article{EUG_1990_27_a19,
     author = {\ensuremath{\Sigma}\ensuremath{\tau}\ensuremath{\acute\epsilon}\ensuremath{\varphi}\ensuremath{\alpha}\ensuremath{\nu}o\ensuremath{\varsigma} \ensuremath{\Pi}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {H {M\ensuremath{\acute\epsilon}\ensuremath{\theta}o\ensuremath{\delta}o\ensuremath{\varsigma}} {A\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\acute\alpha}\ensuremath{\lambda}\ensuremath{\upsilon}\ensuremath{\psi}\ensuremath{\eta}\ensuremath{\varsigma}} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha} {\ensuremath{\Sigma}\ensuremath{\tau}o\ensuremath{\iota}\ensuremath{\chi}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\acute\omega}\ensuremath{\delta}\ensuremath{\eta}} {M\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 = {73--78},
     year = {1990},
     volume = {27},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1990_27_a19/}
}