%0 Journal Article %A Johan Commelin %T The Mumford–Tate conjecture for the product of an abelian surface and a $K3$ surface %J Documenta mathematica %D 2016 %P 1691-1713 %V 21 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/x12/ %R 10.4171/dm/x12 %F 10_4171_dm_x12