@article{EUG_2002__57_a3,
     author = { },
     title = {H {\ensuremath{\Sigma}\ensuremath{\upsilon}\ensuremath{\mu}\ensuremath{\beta}o\ensuremath{\lambda}\ensuremath{\acute\eta}} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} {\ensuremath{\Gamma}\ensuremath{\lambda}\ensuremath{\acute\omega}\ensuremath{\sigma}\ensuremath{\sigma}\ensuremath{\alpha}\ensuremath{\varsigma}} {LOGO} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\eta} {K\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\nu}\'{o}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\omega}\ensuremath{\nu}} {E\ensuremath{\nu}\ensuremath{\nu}o\ensuremath{\iota}\ensuremath{\acute\omega}\ensuremath{\nu}} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} {A΄} {T\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\eta}} \ensuremath{\tau}o\ensuremath{\upsilon} {\ensuremath{\Gamma}\ensuremath{\upsilon}\ensuremath{\mu}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\iota}o\ensuremath{\upsilon}.}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {21-34},
     publisher = {mathdoc},
     volume = {57},
     year = {2002},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_2002__57_a3/}
}