Discovery of solar-like oscillations in the red giant ε OphiuchiJ. De Ridder, C. Barban, F. Carrier, A. Mazumdar, P. Eggenberger, C. Aerts, S. Deruyter and J. VanautgaerdenA&A, 448 2 (2006) 689-695DOI: https://doi.org/10.1051/0004-6361:20053331