TY - JOUR AU - Jolanta Socała TI - Exactness of expanding mappings JO - Annales Polonici Mathematici PY - 1988 VL - 49 IS - 1 SP - 93 EP - 99 LA - eng KW - Frobenius-Perron operator; exact mapping; piecewise expanding - mapping; absolutely continuous invariant normalized measure; dynamical system UR - http://eudml.org/doc/263704 ER -