A generalization of Straube's theorem: existence of absolutely continuous invariant measures for random maps

Boyarsky, Abraham, et al. “A Generalization of Straube’s Theorem: Existence of Absolutely Continuous Invariant Measures for Random Maps”. Journal of Applied Mathematics and Stochastic Analysis, no. 2, 2005, pp. 133-41, https://doi.org/10.1155/JAMSA.2005.133.