Impact of the 3D source geometry on time-delay measurements of lensed type-Ia supernovae V. Bonvin, O. Tihhonova, M. Millon, J. H. -H. Chan, E. Savary, S. Huber and F. Courbin A&A, 621 (2019) A55 Published online: 08 January 2019 DOI: 10.1051/0004-6361/201833405