TY - JOUR AU - Halina Swiatak TI - On an equation of information theory (Short Communication). JO - Aequationes mathematicae PY - 1979 SP - 117 EP - 117 VL - 19 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1979__19_136815/ ID - AM2_1979__19_136815 ER -