%0 Journal Article %A James Richard Andrew Gray %A Tamar Janelidze-Gray %T Relative internal actions %J Theory and applications of categories %D 2016 %P 444-461 %V 31 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2016_31_a15/ %G en %F TAC_2016_31_a15