@article{EU_1975-1976_1_a46,
     author = {N. \ensuremath{\Delta}. \ensuremath{\Sigma}\ensuremath{\omega}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\rho}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {H \ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} \ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\psi}\ensuremath{\eta} \ensuremath{\tau}o\ensuremath{\upsilon} \ensuremath{\varepsilon}\ensuremath{\varphi}\ensuremath{\acute\eta}\ensuremath{\beta}o\ensuremath{\upsilon}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}},
     pages = {37--59},
     year = {1975-1976},
     volume = {1},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EU_1975-1976_1_a46/}
}