The HARPS search for southern extra-solar planets - XXVI. Two giant planets around M0 dwarfsT. Forveille, X. Bonfils, G. Lo Curto, X. Delfosse, S. Udry, F. Bouchy, C. Lovis, M. Mayor, C. Moutou, D. Naef, F. Pepe, C. Perrier, D. Queloz and N. SantosA&A, 526 (2011) A141DOI: https://doi.org/10.1051/0004-6361/201016034