Observation of SN2011fe with INTEGRAL - I. Pre-maximum phase J. Isern, P. Jean, E. Bravo, R. Diehl, J. Knödlseder, A. Domingo, A. Hirschmann, P. Hoeflich, F. Lebrun, M. Renaud et al. (12 more) A&A, 552 (2013) A97 Published online: 05 April 2013 DOI: 10.1051/0004-6361/201220303