@article{MR_1977_6_a24,
     author = {\ensuremath{\Lambda}. K\ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\varsigma}},
     title = {\ensuremath{\Pi}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\mu}\ensuremath{\varepsilon} \ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\gamma}\ensuremath{\varepsilon}\ensuremath{\beta}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} \ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\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 = {37--40},
     year = {1977},
     volume = {6},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1977_6_a24/}
}