@article{MR_1978_11_a10,
     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} \ensuremath{\tau}o\ensuremath{\upsilon} "E\ensuremath{\upsilon}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta} A"},
     title = {\ensuremath{\Phi}\ensuremath{\upsilon}\ensuremath{\sigma}\ensuremath{\iota}o\ensuremath{\gamma}\ensuremath{\nu}\ensuremath{\omega}\ensuremath{\mu}\ensuremath{\acute\iota}\ensuremath{\alpha} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\upsilon}\ensuremath{\theta}\ensuremath{\acute\upsilon}\ensuremath{\nu}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\tau}o\ensuremath{\upsilon} {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}} {A}},
     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 = {52--62},
     year = {1978},
     volume = {11},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1978_11_a10/}
}