Stress polishing of thin shells for adaptive secondary mirrors - Application to the Very Large Telescope deformable secondaryE. Hugot, M. Ferrari, A. Riccardi, M. Xompero, G. R. Lemaître, R. Arsenault and N. HubinA&A, 527 (2011) A4DOI: https://doi.org/10.1051/0004-6361/201015819