@article{EUG_1987_17_a19,
     author = {\ensuremath{\Delta}. M\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {K\ensuremath{\upsilon}\ensuremath{\lambda}\ensuremath{\iota}\ensuremath{\nu}\ensuremath{\delta}\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} {To\ensuremath{\mu}\ensuremath{\acute\epsilon}\ensuremath{\varsigma}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {4--21},
     year = {1987},
     volume = {17},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1987_17_a19/}
}