@article{MR_1977_8_a23,
     author = {O\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\delta}\ensuremath{\alpha} \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\acute\omega}\ensuremath{\nu} 5o\ensuremath{\upsilon} \ensuremath{\Gamma}\ensuremath{\upsilon}\ensuremath{\mu}\ensuremath{\nu}. X\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\delta}\ensuremath{\rho}\ensuremath{\acute\iota}o\ensuremath{\upsilon}},
     title = {M\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\acute\epsilon}\ensuremath{\rho}\ensuremath{\varepsilon}\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\alpha} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\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 = {14--16},
     year = {1977},
     volume = {8},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1977_8_a23/}
}