Multichannel Poisson denoising and deconvolution on the sphere: application to the Fermi Gamma-ray Space TelescopeJ. Schmitt, J. L. Starck, J. M. Casandjian, J. Fadili and I. GrenierA&A, 546 (2012) A114DOI: https://doi.org/10.1051/0004-6361/201118234