TY - JOUR AU - Hansoul, Georges TI - Boolean algebras with a unary operator JO - Czechoslovak Mathematical Journal PY - 1986 SP - 232 EP - 237 VL - 36 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102087/ DO - 10.21136/CMJ.1986.102087 LA - en ID - 10_21136_CMJ_1986_102087 ER -