@article{EUG_1991_28_a17,
     author = {A\ensuremath{\theta}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\iota}o\ensuremath{\varsigma} To\ensuremath{\upsilon}\ensuremath{\zeta}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma}},
     title = {O\ensuremath{\mu}\'{o}\ensuremath{\rho}\ensuremath{\rho}o\ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\varsigma}, {A\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\acute\iota}\ensuremath{\rho}\ensuremath{\rho}o\ensuremath{\pi}\ensuremath{\varepsilon}\ensuremath{\varsigma}} {H\ensuremath{\mu}\ensuremath{\iota}\ensuremath{\varepsilon}\ensuremath{\upsilon}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\varepsilon}\ensuremath{\varsigma}} {K\ensuremath{\alpha}\ensuremath{\iota}} {H} {\'{}E\ensuremath{\nu}\ensuremath{\nu}o\ensuremath{\iota}\ensuremath{\alpha}} {T\ensuremath{\eta}\ensuremath{\varsigma}} {\ensuremath{\Phi}o\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\varsigma}} {\ensuremath{\Sigma}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu}} {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\alpha}} {\ensuremath{\Gamma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {82--93},
     year = {1991},
     volume = {28},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1991_28_a17/}
}