@article{EUA_1989-1990_3_a18,
     author = {\ensuremath{\Lambda}\ensuremath{\varepsilon}\ensuremath{\upsilon}\ensuremath{\tau}\ensuremath{\acute\epsilon}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma} K\ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\varsigma}},
     title = {\ensuremath{\Delta}\ensuremath{\iota}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\varsigma} \ensuremath{\sigma}\ensuremath{\chi}\ensuremath{\acute\epsilon}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma}, \ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\nu}\ensuremath{\acute\iota}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma}, \ensuremath{\sigma}\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\tau}\ensuremath{\acute\eta}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma}.},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} A},
     pages = {28--32},
     year = {1989-1990},
     volume = {3},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUA_1989-1990_3_a18/}
}