@article{MR_1994_42_a13,
     author = {\ensuremath{\Sigma}\ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Lambda}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\beta}\ensuremath{\alpha}\ensuremath{\delta}\ensuremath{\acute\alpha}\ensuremath{\varsigma}},
     title = {N\ensuremath{\acute\epsilon}\ensuremath{\varepsilon}\ensuremath{\varsigma} \ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} o\ensuremath{\rho}\ensuremath{\iota}o\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\tau}o\ensuremath{\acute\upsilon}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha}.} {M\ensuremath{\iota}\ensuremath{\alpha}} \ensuremath{\sigma}\ensuremath{\acute\upsilon}\ensuremath{\nu}\ensuremath{\tau}o\ensuremath{\mu}\ensuremath{\eta} \ensuremath{\kappa}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} \ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\kappa}\'{o}\ensuremath{\pi}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\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 = {41--50},
     year = {1994},
     volume = {42},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1994_42_a13/}
}