@article{EUA_1992-1993__6_a19,
     author = { },
     title = {K\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\varsigma}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} A
},
     pages = {0-0},
     publisher = {mathdoc},
     volume = {6},
     year = {1992-1993},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUA_1992-1993__6_a19/}
}