@article{EUG_1991_30-31_a3,
     author = {T. \ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\omega}\ensuremath{\nu}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {M\ensuremath{\iota}\ensuremath{\alpha} {T\ensuremath{\varepsilon}\ensuremath{\chi}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}} {\ensuremath{\Delta}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\chi}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma}} \ensuremath{\tau}o\ensuremath{\upsilon} {A\ensuremath{\nu}\ensuremath{\theta}\ensuremath{\rho}\ensuremath{\acute\omega}\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\nu}o\ensuremath{\upsilon}} {\ensuremath{\Delta}\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\mu}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\acute\upsilon}...} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {26--41},
     year = {1991},
     volume = {30-31},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1991_30-31_a3/}
}