@article{EUG_1988_18_a7,
     author = {B. \ensuremath{\Gamma}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\kappa}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma}},
     title = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\acute\iota} {\ensuremath{\Delta}\ensuremath{\iota}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\omega}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\mu}o\ensuremath{\acute\iota}} \ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha} {T\ensuremath{\varepsilon}\ensuremath{\chi}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha}} - {E\ensuremath{\pi}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\gamma}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha}} {\ensuremath{\Lambda}\ensuremath{\acute\upsilon}\ensuremath{\kappa}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\alpha}.(\ensuremath{\varepsilon}\ensuremath{\mu}\ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\varepsilon}\ensuremath{\varsigma}} \ensuremath{\alpha}\ensuremath{\pi}o \ensuremath{\tau}o\ensuremath{\upsilon}\ensuremath{\varsigma} \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\kappa}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\nu}o\ensuremath{\acute\upsilon}\ensuremath{\varsigma})},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {16--21},
     year = {1988},
     volume = {18},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1988_18_a7/}
}