@article{EUG_1983__1_a89,
     author = { },
     title = {\ensuremath{\Lambda}\ensuremath{\acute\upsilon}\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} \ensuremath{\Gamma}
},
     pages = {31-34},
     publisher = {mathdoc},
     volume = {1},
     year = {1983},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1983__1_a89/}
}