@article{EUG_1987_15_a24,
     author = {\ensuremath{\Gamma}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\gamma}\ensuremath{\iota}o\ensuremath{\varsigma} \ensuremath{\Delta}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\iota}o\ensuremath{\varsigma}},
     title = {I\ensuremath{\sigma}o\ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\nu}o\ensuremath{\mu}\ensuremath{\acute\eta} {E\ensuremath{\nu}\ensuremath{\acute\epsilon}\ensuremath{\rho}\ensuremath{\gamma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\varsigma}} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} {K\ensuremath{\upsilon}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}} {\ensuremath{\Delta}\ensuremath{\iota}\ensuremath{\acute\alpha}\ensuremath{\delta}o\ensuremath{\sigma}\ensuremath{\eta}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {40--59},
     year = {1987},
     volume = {15},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1987_15_a24/}
}