@article{EUG_1984__4_a133,
     author = {K. \ensuremath{\Gamma}\ensuremath{\alpha}\ensuremath{\beta}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {\ensuremath{\Theta}\ensuremath{\acute\epsilon}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\eta} \ensuremath{\mu}\ensuremath{\acute\epsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\nu}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {21-24},
     publisher = {mathdoc},
     volume = {4},
     year = {1984},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1984__4_a133/}
}