@article{EUG_1984__3_a89,
     author = {\ensuremath{\Delta}. K\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\tau}\ensuremath{\zeta}\ensuremath{\iota}\'{o}\ensuremath{\varsigma} and  K. M\ensuremath{\pi}\ensuremath{\rho}o\ensuremath{\upsilon}\ensuremath{\chi}o\ensuremath{\acute\upsilon}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\varsigma}},
     title = {\ensuremath{\Gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} {\ensuremath{\Delta}΄} \ensuremath{\tau}\ensuremath{\acute\alpha}\ensuremath{\xi}\ensuremath{\eta}-},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {41-61},
     publisher = {mathdoc},
     volume = {3},
     year = {1984},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1984__3_a89/}
}