@article{EUA_1989-1990_3_a103,
     author = {\ensuremath{\Lambda}. \ensuremath{\Theta}\ensuremath{\varepsilon}o\ensuremath{\delta}\ensuremath{\acute\omega}\ensuremath{\rho}o\ensuremath{\upsilon} and  \ensuremath{\Pi}. M\ensuremath{\alpha}\ensuremath{\rho}o\ensuremath{\upsilon}\ensuremath{\sigma}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}},
     title = {\ensuremath{\Lambda}\ensuremath{\acute\upsilon}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\omega}\ensuremath{\nu} \ensuremath{\tau}\'{o}\ensuremath{\mu}o\ensuremath{\varsigma} {IZ|\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\acute\upsilon}\ensuremath{\chi}o\ensuremath{\varsigma}} 2},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} A},
     pages = {21--22},
     year = {1989-1990},
     volume = {3},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUA_1989-1990_3_a103/}
}