@article{MR_1976__4_a9,
     author = {\ensuremath{\Theta}. \ensuremath{\Sigma}o\ensuremath{\upsilon}\ensuremath{\varphi}\ensuremath{\lambda}\ensuremath{\acute\alpha}\ensuremath{\kappa}o\ensuremath{\varsigma}},
     title = {\ensuremath{\Pi}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\mu}\ensuremath{\eta}\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{\mu}\ensuremath{\eta} \ensuremath{\delta}\ensuremath{\varepsilon}\ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha}) \ensuremath{\mu}\ensuremath{\varepsilon} \ensuremath{\tau}\ensuremath{\eta} \ensuremath{\beta}o\ensuremath{\acute\eta}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\pi}\ensuremath{\iota}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\kappa}\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 = {42-43},
     publisher = {mathdoc},
     volume = {4},
     year = {1976},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1976__4_a9/}
}