Precision studies for Drell–Yan processes at NNLO S. Alekhin, A. Kardos, S. Moch and Z. Trócsányi Eur. Phys. J. C, 81 7 (2021) 573 Published online: 03 July 2021 DOI: 10.1140/epjc/s10052-021-09361-9