@article{MR_2004_62_a2,
     author = { },
     title = {O\ensuremath{\iota} \ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\lambda}\ensuremath{\acute\eta}\ensuremath{\psi}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\acute\omega}\ensuremath{\nu} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} {A΄} \ensuremath{\lambda}\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\varepsilon}\ensuremath{\acute\iota}o\ensuremath{\upsilon} \ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\eta} \ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\beta}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\acute\eta}},
     journal = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}},
     pages = {57--71},
     year = {2004},
     volume = {62},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_2004_62_a2/}
}