Observations of the recurrent M 31 transient XMMU J004215.8+411924 with Swift, Chandra, HST, and EinsteinR. Barnard, M. Garcia, S. Murray, N. Nooraee and W. PietschA&A, 526 (2011) A50DOI: https://doi.org/10.1051/0004-6361/201015467
