TY - JOUR AU - Manfred Denker AU - Mariusz Urbanski TI - Absolutely Continuous Invariant Measures for Expansive Rational Maps with Rationally Indifferent Periodic Points. JO - Forum mathematicum PY - 1991 SP - 561 EP - 580 VL - 3 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FORUM_1991__3_2_186407/ ID - FORUM_1991__3_2_186407 ER -