The close circumstellar environment of Betelgeuse - III. SPHERE/ZIMPOL imaging polarimetry in the visibleP. Kervella, E. Lagadec, M. Montargès, S. T. Ridgway, A. Chiavassa, X. Haubois, H.-M. Schmid, M. Langlois, A. Gallenne and G. PerrinA&A, 585 (2016) A28DOI: https://doi.org/10.1051/0004-6361/201527134
