@article{EUG_1991_29_a20,
     author = {M\ensuremath{\iota}\ensuremath{\chi}. M\ensuremath{\varepsilon}\ensuremath{\ddot\iota}\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {N\ensuremath{\acute\epsilon}\ensuremath{\varepsilon}\ensuremath{\varsigma} {T\ensuremath{\varepsilon}\ensuremath{\chi}\ensuremath{\nu}o\ensuremath{\lambda}o\ensuremath{\gamma}\ensuremath{\acute\iota}\ensuremath{\varepsilon}\ensuremath{\varsigma},} {M\ensuremath{\acute\epsilon}\ensuremath{\sigma}\ensuremath{\alpha}} {M\ensuremath{\alpha}\ensuremath{\zeta}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma}} {E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\iota}\ensuremath{\nu}\ensuremath{\omega}\ensuremath{\nu}\ensuremath{\acute\iota}\ensuremath{\alpha}\ensuremath{\varsigma}:} {\'{}E\ensuremath{\nu}\ensuremath{\alpha}} {N\ensuremath{\acute\epsilon}o} {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\kappa}\'{o}} {\ensuremath{\Pi}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\beta}\ensuremath{\acute\alpha}\ensuremath{\lambda}\ensuremath{\lambda}o\ensuremath{\nu}.}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {24--31},
     year = {1991},
     volume = {29},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1991_29_a20/}
}