@article{MR_1977_7_a27,
     author = {\ensuremath{\Lambda}. K\ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\varsigma}},
     title = {I\ensuremath{\sigma}\'{o}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\gamma}\ensuremath{\acute\omega}\ensuremath{\nu}\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 = {34--36},
     year = {1977},
     volume = {7},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1977_7_a27/}
}