@article{MR_1983_25_a13,
     author = {\ensuremath{\Gamma}. M\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {T\ensuremath{\alpha} {N\ensuremath{\varepsilon}\ensuremath{\alpha}} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\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 = {85--100},
     year = {1983},
     volume = {25},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1983_25_a13/}
}