@article{MR_1989__36_a12, author = {I-X. \ensuremath{\Pi}\ensuremath{\alpha}\ensuremath{\nu}\ensuremath{\alpha}\ensuremath{\gamma}\ensuremath{\iota}\ensuremath{\omega}\ensuremath{\tau}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma} and B. A\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\xi}\'{o}\ensuremath{\pi}o\ensuremath{\upsilon}\ensuremath{\lambda}o\ensuremath{\varsigma}}, title = {\'{}A\ensuremath{\lambda}\ensuremath{\gamma}\ensuremath{\varepsilon}\ensuremath{\beta}\ensuremath{\rho}\ensuremath{\alpha} {Boole} \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\varepsilon}\ensuremath{\kappa}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\alpha} \ensuremath{\pi}\ensuremath{\rho}o\ensuremath{\beta}\ensuremath{\lambda}\ensuremath{\acute\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\alpha}}, journal = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta} }, pages = {37-44}, publisher = {mathdoc}, volume = {36}, year = {1989}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1989__36_a12/} }