@article{EU_1975-1976_4_a15,
     author = {K\ensuremath{\acute\omega}\ensuremath{\sigma}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\varsigma} \ensuremath{\Gamma}\ensuremath{\alpha}\ensuremath{\beta}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {M\ensuremath{\varepsilon} \ensuremath{\tau}\ensuremath{\alpha} {K\ensuremath{\lambda}\ensuremath{\acute\alpha}\ensuremath{\sigma}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}},
     pages = {13--19},
     year = {1975-1976},
     volume = {4},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EU_1975-1976_4_a15/}
}