@article{EUG_1987__14_a32,
     author = {\ensuremath{\Delta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\acute\eta}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma} M\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\acute\alpha}\ensuremath{\kappa}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {\ensuremath{\Pi}\ensuremath{\varepsilon}\ensuremath{\rho}\ensuremath{\iota}o\ensuremath{\delta}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\epsilon}\ensuremath{\varsigma} {\ensuremath{\Sigma}\ensuremath{\upsilon}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\tau}\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 = {47-62},
     publisher = {mathdoc},
     volume = {14},
     year = {1987},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1987__14_a32/}
}