HOLISMOKES - III. Achromatic phase of strongly lensed Type Ia supernovae S. Huber, S. H. Suyu, U. M. Noebauer, J. H. H. Chan, M. Kromer, S. A. Sim, D. Sluse and S. Taubenberger A&A, 646 (2021) A110 Published online: 16 February 2021 DOI: 10.1051/0004-6361/202039218