@article{EU_1975-1976_2_a157,
     author = {B. \ensuremath{\Pi}o\ensuremath{\lambda}\ensuremath{\upsilon}\ensuremath{\delta}o\ensuremath{\acute\upsilon}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {\ensuremath{\Phi}\ensuremath{\upsilon}\ensuremath{\sigma}\ensuremath{\iota}\ensuremath{\kappa}o\ensuremath{\acute\iota} \ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\mu}o\ensuremath{\acute\iota} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\pi}\ensuremath{\rho}\'{o}\ensuremath{\sigma}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\sigma}\ensuremath{\eta}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}},
     pages = {11--14},
     year = {1975-1976},
     volume = {2},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EU_1975-1976_2_a157/}
}