TY - JOUR AU - Che-Kao Fong AU - Andrzej Sołtysiak TI - Existence of a multiplicative functional and joint spectra JO - Studia Mathematica PY - 1985 SP - 213 EP - 220 VL - 81 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-81-2-213-220/ DO - 10.4064/sm-81-2-213-220 LA - en ID - 10_4064_sm_81_2_213_220 ER -