R. Rousseau, M.-H. Grondin, A. van Etten, M. Lemoine-Goumard, S. Bogdanov, et al.. Fermi-LAT constraints on the Pulsar Wind Nebula nature of HESS J1857+026.
Astronomy and Astrophysics - A&A, EDP Sciences, 2012, 544, pp.A3.
⟨10.1051/0004-6361/201118685⟩.
⟨in2p3-00738825⟩