@article{EUG_1984__3_a118, author = {\ensuremath{\Gamma}. \ensuremath{\Omega}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\iota}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma} and \ensuremath{\Sigma}. X\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\zeta}\ensuremath{\eta}\ensuremath{\ddot\iota}\ensuremath{\omega}\ensuremath{\acute\alpha}\ensuremath{\nu}\ensuremath{\nu}o\ensuremath{\upsilon}}, title = {-\ensuremath{\Gamma}\ensuremath{\iota}\ensuremath{\alpha} \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\nu} {A} \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 = {71-75}, publisher = {mathdoc}, volume = {3}, year = {1984}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUG_1984__3_a118/} }