@article{EUG_1983__2_a140,
     author = { },
     title = {\ensuremath{\Sigma}\ensuremath{\kappa}\ensuremath{\varepsilon}\ensuremath{\varphi}\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\tau}\ensuremath{\varepsilon} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} {A\ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\acute\eta}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\varepsilon}} {\ensuremath{\Sigma}\ensuremath{\acute\upsilon}\ensuremath{\nu}o\ensuremath{\lambda}\ensuremath{\alpha}} {A\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\tau}o\ensuremath{\iota}\ensuremath{\chi}\ensuremath{\acute\iota}\ensuremath{\varepsilon}\ensuremath{\varsigma}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {16-17},
     publisher = {mathdoc},
     volume = {2},
     year = {1983},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1983__2_a140/}
}