@article{EUA_1992-1993_7_a24,
     author = {X. \ensuremath{\Delta}\ensuremath{\acute\alpha}\ensuremath{\tau}\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\varsigma}},
     title = {O\ensuremath{\iota} \ensuremath{\beta}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\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 = {25--27},
     year = {1992-1993},
     volume = {7},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUA_1992-1993_7_a24/}
}