TY - JOUR AU - Man-Duen Choi AU - George A. Elliot TI - Density of the self-adjoint elements with finite spectrum in an irrational rotation C*-algebra. JO - Mathematica Scandinavica PY - 1990 SP - 73 EP - 86 VL - 67 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1990__67_2_167122/ ID - MS2_1990__67_2_167122 ER -