Spatially extended emission around the Cepheid RS Puppis in near-infrared hydrogen lines - Adaptive optics imaging with VLT/NACOA. Gallenne, A. Mérand, P. Kervella and J. H. V. GirardA&A, 527 (2011) A51DOI: https://doi.org/10.1051/0004-6361/201014993