@article{MR_1979_13_a4,
     author = {\ensuremath{\Sigma}. \ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\upsilon}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {A\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\mu}o\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}: {I\ensuremath{\sigma}\ensuremath{\tau}o\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\gamma}\ensuremath{\varepsilon}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} \ensuremath{\varepsilon}\ensuremath{\pi}\ensuremath{\iota}\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 = {136--150},
     year = {1979},
     volume = {13},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1979_13_a4/}
}