TY - JOUR AU - Katětov, Miroslav TI - Extensions of the Shannon entropy to semimetrized measure spaces JO - Commentationes Mathematicae Universitatis Carolinae PY - 1980 SP - 171 EP - 192 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1980__21_1_a13/ LA - en ID - CMUC_1980__21_1_a13 ER -