@article{EU_1973-1974__10_a14,
     author = {\ensuremath{\Sigma}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\acute\omega} A\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\xi}\ensuremath{\acute\alpha}\ensuremath{\nu}\ensuremath{\delta}\ensuremath{\rho}o\ensuremath{\upsilon}},
     title = {A\ensuremath{\xi}\ensuremath{\iota}o\ensuremath{\lambda}\'{o}\ensuremath{\gamma}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} {\ensuremath{\Sigma}\ensuremath{\chi}o\ensuremath{\lambda}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma}} {E\ensuremath{\pi}\ensuremath{\acute\iota}\ensuremath{\delta}o\ensuremath{\sigma}\ensuremath{\eta}\ensuremath{\varsigma}}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}
},
     pages = {71-80},
     publisher = {mathdoc},
     volume = {10},
     year = {1973-1974},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EU_1973-1974__10_a14/}
}