@article{EU_1975-1976_3_a161,
     author = {M. X\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}},
     title = {\ensuremath{\Pi}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\iota}o\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\acute\iota} {\ensuremath{\Delta}\ensuremath{\varepsilon}\ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\acute\iota}} {A\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\mu}o\ensuremath{\acute\iota}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}},
     pages = {22--27},
     year = {1975-1976},
     volume = {3},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EU_1975-1976_3_a161/}
}