Media type: E-Article Title: Stochastic perturbations and Ulam's method for W-shaped maps Contributor: Góra, Paweł; Boyarsky, Abraham imprint: American Institute of Mathematical Sciences (AIMS), 2013 Published in: Discrete & Continuous Dynamical Systems - A Language: English DOI: 10.3934/dcds.2013.33.1937 ISSN: 1553-5231 Keywords: Applied Mathematics ; Discrete Mathematics and Combinatorics ; Analysis Origination: Footnote: