@article{EUA_1985-1986__2_a26, author = { }, title = {\ensuremath{\Pi}o\ensuremath{\sigma}o\ensuremath{\sigma}\ensuremath{\tau}\'{o}}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} A }, pages = {14-15}, publisher = {mathdoc}, volume = {2}, year = {1985-1986}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUA_1985-1986__2_a26/} }