@article{MR_1978_12_a21,
     author = {\ensuremath{\Lambda}. K\ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\varsigma}},
     title = {M\ensuremath{\acute\epsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta} \ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\mu}\ensuremath{\acute\epsilon}\ensuremath{\tau}\ensuremath{\rho}o\ensuremath{\upsilon} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\varepsilon}\ensuremath{\mu}\ensuremath{\beta}\ensuremath{\alpha}\ensuremath{\delta}o\ensuremath{\acute\upsilon} \ensuremath{\mu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\tau}\'{o}\ensuremath{\gamma}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\mu}\ensuremath{\mu}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\sigma}\ensuremath{\chi}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\tau}\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 = {19--22},
     year = {1978},
     volume = {12},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1978_12_a21/}
}