Supersoft X-rays reveal a classical nova in the M 31 globular cluster Bol 126 M. Henze, W. Pietsch, F. Haberl, M. Della Valle, A. Riffeser, G. Sala, D. Hatzidimitriou, F. Hofmann, D. H. Hartmann, J. Koppenhoefer et al. (10 more) A&A, 549 (2013) A120 Published online: 09 January 2013 DOI: 10.1051/0004-6361/201220196