Can electron distribution functions be derived through the Sunyaev-Zel’dovich effect? D. A. Prokhorov, S. Colafrancesco, T. Akahori, K. Yoshikawa, S. Nagataki and K.-I. Seon A&A, 529 (2011) A39 Published online: 29 March 2011 DOI: 10.1051/0004-6361/201016036