@article{EUG_1990_27_a27,
     author = {K\ensuremath{\acute\omega}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\varsigma} \ensuremath{\Theta}. A\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\nu}\ensuremath{\acute\omega}\ensuremath{\sigma}\ensuremath{\tau}o\ensuremath{\upsilon}},
     title = {A\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\sigma}\'{o}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\varsigma} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\eta} {\ensuremath{\Gamma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {100--104},
     year = {1990},
     volume = {27},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1990_27_a27/}
}