@article{EUA_1977-1978__5_a34,
     author = {X. K\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\acute\upsilon}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\varsigma} and  A. M\ensuremath{\alpha}\ensuremath{\mu}o\ensuremath{\acute\upsilon}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma} and  E. \ensuremath{\Delta}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\beta}\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\iota}\ensuremath{\acute\alpha}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma} and  B. \ensuremath{\Sigma}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\acute\eta}},
     title = {---\ensuremath{\Gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} {E΄} \ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\eta}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} A
},
     pages = {49-54},
     publisher = {mathdoc},
     volume = {5},
     year = {1977-1978},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUA_1977-1978__5_a34/}
}