TY - JOUR AU - W. Żelazko TI - An axiomatic approach to joint spectra I JO - Studia Mathematica PY - 1979 SP - 249 EP - 261 VL - 64 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-64-3-249-261/ DO - 10.4064/sm-64-3-249-261 LA - en ID - 10_4064_sm_64_3_249_261 ER -