@article{EU_1975-1976__2_a37,
     author = {\ensuremath{\Delta}. X\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\acute\alpha}\ensuremath{\pi}\ensuremath{\eta}\ensuremath{\varsigma}},
     title = {O \ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\theta}\ensuremath{\mu}\'{o}\ensuremath{\varsigma} \ensuremath{\pi}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}
},
     pages = {73-95},
     publisher = {mathdoc},
     volume = {2},
     year = {1975-1976},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EU_1975-1976__2_a37/}
}