@article{MR_1983_25_a12,
     author = {M\ensuremath{\alpha}\ensuremath{\nu}\'{o}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Sigma}\ensuremath{\tau}. K\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\sigma}o\ensuremath{\pi}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {E\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\omega}\ensuremath{\gamma}\ensuremath{\acute\eta} \ensuremath{\sigma}\ensuremath{\varepsilon} \ensuremath{\mu}\ensuremath{\iota}\ensuremath{\alpha} {\ensuremath{\Gamma}\ensuremath{\varepsilon}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}} {\ensuremath{\Theta}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}} {A\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\sigma}o\ensuremath{\tau}\ensuremath{\acute\eta}\ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu}.}},
     journal = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}},
     pages = {64--84},
     year = {1983},
     volume = {25},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1983_25_a12/}
}