INTEGRAL discovery of a high-energy tail in the microquasar Cygnus X-3 F. Cangemi, J. Rodriguez, V. Grinberg, R. Belmont, P. Laurent and J. Wilms A&A, 645 (2021) A60 Published online: 13 January 2021 DOI: 10.1051/0004-6361/202037951