@article{MR_1978_11_a9,
     author = {M. B\'{o}\ensuremath{\sigma}\ensuremath{\kappa}o\ensuremath{\gamma}\ensuremath{\lambda}o\ensuremath{\upsilon}},
     title = {\ensuremath{\Sigma}\ensuremath{\tau}o\ensuremath{\iota}\ensuremath{\chi}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\alpha} \ensuremath{\alpha}\ensuremath{\pi}\'{o} \ensuremath{\tau}\ensuremath{\eta} \ensuremath{\delta}\ensuremath{\iota}\ensuremath{\delta}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} \ensuremath{\tau}\ensuremath{\omega}\ensuremath{\nu} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\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 = {34--51},
     year = {1978},
     volume = {11},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1978_11_a9/}
}