@article{TAC_2024_40_a0,
     author = {Branko Nikoli\'c and Ross Street},
     title = {Monoidal centres and groupoid-graded categories},
     journal = {Theory and applications of categories},
     pages = {3--31},
     publisher = {mathdoc},
     volume = {40},
     year = {2024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2024_40_a0/}
}