@article{EUA_1985-1986__2_a111, author = {\ensuremath{\Theta}. K\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\alpha}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\lambda}\ensuremath{\acute\eta}\ensuremath{\varsigma}}, title = {Tetris & \ensuremath{\pi}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\alpha}\ensuremath{\nu}\'{o}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\varsigma}}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} A }, pages = {35-37}, publisher = {mathdoc}, volume = {2}, year = {1985-1986}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUA_1985-1986__2_a111/} }