@article{MR_1997_48_a9,
     author = {N\ensuremath{\iota}\ensuremath{\kappa}\'{o}\ensuremath{\lambda}\ensuremath{\alpha}o\ensuremath{\varsigma} A\ensuremath{\rho}\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\mu}\ensuremath{\iota}\ensuremath{\acute\alpha}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {E\ensuremath{\kappa}\ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\iota}\ensuremath{\delta}\ensuremath{\varepsilon}\ensuremath{\upsilon}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha} \ensuremath{\sigma}\ensuremath{\upsilon}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\acute\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}} {\ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\iota}\ensuremath{\delta}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\alpha}}},
     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 = {3--16},
     year = {1997},
     volume = {48},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1997_48_a9/}
}