@article{EU_1973-1974_01_a5,
     author = { },
     title = {\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma} \ensuremath{\delta}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} \ensuremath{\beta}΄\ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\iota}\ensuremath{\nu}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}},
     pages = {35--36},
     year = {1973-1974},
     volume = {01},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EU_1973-1974_01_a5/}
}