@article{EUA_1986-1987_1_a101,
     author = {B. T\ensuremath{\zeta}\ensuremath{\alpha}\ensuremath{\beta}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\alpha}\ensuremath{\varsigma} and  B. \ensuremath{\Delta}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\beta}\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\iota}\ensuremath{\acute\alpha}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma} and  X. K\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\iota}\ensuremath{\gamma}\ensuremath{\acute\alpha}\ensuremath{\varsigma}},
     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 = {39--46},
     year = {1986-1987},
     volume = {1},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUA_1986-1987_1_a101/}
}