@article{MR_1977_5_a28,
     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 = {\ensuremath{\Lambda}\ensuremath{\acute\upsilon}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\omega}\ensuremath{\nu} \ensuremath{\alpha}\ensuremath{\pi}\'{o} \ensuremath{\tau}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\pi}\ensuremath{\rho}o\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\nu}\'{o}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\nu}\ensuremath{\varepsilon}\ensuremath{\varsigma} \ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\tau}o\ensuremath{\upsilon} \ensuremath{\pi}\ensuremath{\rho}o\ensuremath{\eta}\ensuremath{\gamma}o\ensuremath{\acute\upsilon}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\nu}o\ensuremath{\upsilon} \ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\acute\upsilon}\ensuremath{\chi}o\ensuremath{\upsilon}\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 = {9--20},
     year = {1977},
     volume = {5},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1977_5_a28/}
}