TY - JOUR AU - Liu, Junping AU - Wei, Changguo TI - Unital extensions of $AF$-algebras by purely infinite simple algebras JO - Czechoslovak Mathematical Journal PY - 2014 SP - 989 EP - 1001 VL - 64 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1007/s10587-014-0148-z/ DO - 10.1007/s10587-014-0148-z LA - en ID - 10_1007_s10587_014_0148_z ER -