TY - JOUR AU - B. KamiƄski TI - An axiomatic definition of the entropy of a $Z^{d}$-action on a Lebesgue space JO - Studia Mathematica PY - 1990 SP - 135 EP - 144 VL - 96 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-96-2-135-144/ DO - 10.4064/sm-96-2-135-144 LA - en ID - 10_4064_sm_96_2_135_144 ER -