@article{EUG_1987_14_a27,
     author = {X\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\acute\iota}\ensuremath{\nu}\ensuremath{\alpha} \ensuremath{\Phi}\ensuremath{\acute\iota}\ensuremath{\lambda}\ensuremath{\eta}},
     title = {To {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\'{o}} {\'{}E\ensuremath{\rho}\ensuremath{\gamma}o} \ensuremath{\tau}o\ensuremath{\upsilon} {O\ensuremath{\mu}\ensuremath{\acute\alpha}\ensuremath{\rho}} {K\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\acute\alpha}\ensuremath{\mu}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {97--118},
     year = {1987},
     volume = {14},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1987_14_a27/}
}