Resolving the molecular gas around the lensed quasar RXJ0911.4+0551 P. T. Anh, F. Boone, D. T. Hoai, P. T. Nhung, A. Weiß, J.-P. Kneib, A. Beelen and P. Salomé A&A, 552 (2013) L12 Published online: 17 April 2013 DOI: 10.1051/0004-6361/201321363