TY - JOUR AU - Zbigniew Słodkowski TI - An infinite family of joint spectra JO - Studia Mathematica PY - 1977 SP - 239 EP - 255 VL - 61 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-61-3-239-255/ DO - 10.4064/sm-61-3-239-255 LA - en ID - 10_4064_sm_61_3_239_255 ER -