@article{MR_1979_13_a2,
     author = {N\ensuremath{\iota}\ensuremath{\kappa}\'{o}\ensuremath{\lambda}\ensuremath{\alpha}o\ensuremath{\varsigma} \ensuremath{\Phi}. \ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\lambda}\ensuremath{\acute\alpha}o\ensuremath{\upsilon}},
     title = {A\ensuremath{\sigma}\ensuremath{\alpha}\ensuremath{\varphi}\ensuremath{\acute\eta} {\ensuremath{\Sigma}\ensuremath{\acute\upsilon}\ensuremath{\nu}o\ensuremath{\lambda}\ensuremath{\alpha}} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} {A\ensuremath{\sigma}\ensuremath{\alpha}\ensuremath{\varphi}\ensuremath{\acute\eta}\ensuremath{\varsigma}} {To\ensuremath{\pi}o\ensuremath{\lambda}o\ensuremath{\gamma}\ensuremath{\acute\iota}\ensuremath{\alpha}}},
     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 = {91--123},
     year = {1979},
     volume = {13},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1979_13_a2/}
}