@article{MR_1996_45_a20,
     author = {\ensuremath{\Gamma}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\gamma}\ensuremath{\iota}o\ensuremath{\varsigma} A\ensuremath{\rho}\ensuremath{\tau}\ensuremath{\acute\iota}\ensuremath{\kappa}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {\'{}E\ensuremath{\nu}\ensuremath{\alpha} \ensuremath{\sigma}\ensuremath{\tau}o\ensuremath{\chi}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\'{o} \ensuremath{\upsilon}\ensuremath{\pi}\'{o}\ensuremath{\delta}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\gamma}\ensuremath{\mu}\ensuremath{\alpha} \ensuremath{\tau}\'{o}\ensuremath{\kappa}o\ensuremath{\upsilon} \ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\omega}\ensuremath{\nu} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\acute\epsilon}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\nu}},
     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 = {30--34},
     year = {1996},
     volume = {45},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1996_45_a20/}
}