@article{EUG_1984_3_a129,
     author = {M. \ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\delta}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}},
     title = {To \ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\gamma}\ensuremath{\omega}\ensuremath{\nu}o@},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {20--21},
     year = {1984},
     volume = {3},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1984_3_a129/}
}