TY - JOUR AU - Andrzej Sołtysiak TI - Approximate point joint spectra and multiplicative functionals JO - Studia Mathematica PY - 1987 SP - 277 EP - 286 VL - 86 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-86-3-277-286/ DO - 10.4064/sm-86-3-277-286 LA - en ID - 10_4064_sm_86_3_277_286 ER -