@article{MR_1974_1_a134,
     author = {\ensuremath{\Gamma}. \ensuremath{\Omega}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\iota}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma}},
     title = {\ensuremath{\Pi}\ensuremath{\acute\omega}\ensuremath{\varsigma} \ensuremath{\nu}\ensuremath{\alpha} \ensuremath{\kappa}\ensuremath{\acute\alpha}\ensuremath{\nu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\varepsilon} \ensuremath{\sigma}\ensuremath{\omega}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\acute\alpha} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\gamma}\ensuremath{\rho}\ensuremath{\acute\eta}\ensuremath{\gamma}o\ensuremath{\rho}\ensuremath{\alpha} \ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\mu}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\pi}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma}},
     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 = {13--15},
     year = {1974},
     volume = {1},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1974_1_a134/}
}