A fast-rotator post-starburst galaxy quenched by supermassive black-hole feedback at z = 3 by D’Eugenio, F, Pérez-González, PG, Maiolino, R, Scholtz, J, Perna, M, Circosta, C, Übler, H, Arribas, S, Böker, T, Bunker, AJ, Carniani, S, Charlot, S, Chevallard, J, Cresci, G, Curtis-Lake, E, Jones, GC, Kumari, N, Lamperti, I, Looser, TJ, Parlanti, E, Rix, H, Robertson, B, Rodríguez Del Pino, B, Tacchella, S