@article{MR_1977_7_a19,
     author = {\ensuremath{\Sigma}\ensuremath{\tau}. T\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\pi}o\ensuremath{\acute\upsilon}\ensuremath{\lambda}o\ensuremath{\upsilon}},
     title = {A\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\mu}o\ensuremath{\acute\iota} \ensuremath{\alpha}\ensuremath{\pi}\'{o} \ensuremath{\kappa}\'{o}\ensuremath{\mu}\ensuremath{\pi}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 = {7--8},
     year = {1977},
     volume = {7},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1977_7_a19/}
}