@article{EUG_1983__2_a121,
     author = { },
     title = {H \ensuremath{\varepsilon}\ensuremath{\xi}\ensuremath{\acute\iota}\ensuremath{\sigma}\ensuremath{\omega}\ensuremath{\sigma}\ensuremath{\eta} \ensuremath{\delta}\ensuremath{\varepsilon}\ensuremath{\upsilon}\ensuremath{\tau}\ensuremath{\acute\epsilon}\ensuremath{\rho}o\ensuremath{\upsilon} \ensuremath{\beta}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\mu}o\ensuremath{\acute\upsilon}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {26-27},
     publisher = {mathdoc},
     volume = {2},
     year = {1983},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1983__2_a121/}
}