@article{MR_1984_28_a23,
     author = {\ensuremath{\Delta}. \ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\iota}o\ensuremath{\upsilon}},
     title = {\ensuremath{\Gamma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} {\ensuremath{\Sigma}\ensuremath{\acute\iota}\ensuremath{\varphi}\ensuremath{\nu}o\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 = {98--101},
     year = {1984},
     volume = {28},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1984_28_a23/}
}