@article{MR_1984_26_a25,
     author = {\ensuremath{\Pi}. \ensuremath{\Delta}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\kappa}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\upsilon}},
     title = {H {\ensuremath{\Sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}} \ensuremath{\sigma}\ensuremath{\tau}o {\ensuremath{\Sigma}\ensuremath{\chi}o\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}o.}},
     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 = {66--69},
     year = {1984},
     volume = {26},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1984_26_a25/}
}