@article{EUG_1984_4_a131,
     author = {K. \ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\pi}o\ensuremath{\acute\upsilon}\ensuremath{\lambda}\ensuremath{\iota}\ensuremath{\alpha}},
     title = {\ensuremath{\Pi}o\ensuremath{\lambda}\ensuremath{\acute\upsilon}\ensuremath{\gamma}\ensuremath{\omega}\ensuremath{\nu}\ensuremath{\alpha} - {A\ensuremath{\sigma}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\sigma}\ensuremath{\varepsilon}\ensuremath{\iota}\ensuremath{\varsigma}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {18--19},
     year = {1984},
     volume = {4},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1984_4_a131/}
}