@article{MR_1975_3_a52,
     author = {\ensuremath{\Sigma}\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\tau}\ensuremath{\rho}o\ensuremath{\pi}\ensuremath{\acute\eta}},
     title = {H \ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\lambda}o\ensuremath{\gamma}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\varphi}\ensuremath{\acute\iota}\ensuremath{\alpha} \ensuremath{\mu}\ensuremath{\alpha}\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 = {30--32},
     year = {1975},
     volume = {3},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1975_3_a52/}
}