@article{EUG_1984__4_a104,
     author = {\ensuremath{\Delta}. Z\ensuremath{\alpha}\ensuremath{\chi}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\acute\iota}o\ensuremath{\upsilon}},
     title = {B\ensuremath{\iota}\ensuremath{\beta}\ensuremath{\lambda}\ensuremath{\iota}o\ensuremath{\kappa}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\acute\iota}\ensuremath{\alpha}-},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {81-81},
     publisher = {mathdoc},
     volume = {4},
     year = {1984},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1984__4_a104/}
}