Characterisation of stellar activity of M dwarfs - I. Long-timescale variability in a large sample and detection of new cyclesL. Mignon, N. Meunier, X. Delfosse, X. Bonfils, N. C. Santos, T. Forveille, G. Gaisné, N. Astudillo-Defru, C. Lovis and S. UdryA&A, 675 (2023) A168DOI: https://doi.org/10.1051/0004-6361/202244249
