%0 Journal Article %A Stefano Morra %T On the automorphic atoms of length 2 of $\mathrm{GL}_2(\mathbb{Q}_p)$ %J Documenta mathematica %D 2017 %P 777-823 %V 22 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/578/ %R 10.4171/dm/578 %F 10_4171_dm_578