@article{TAC_2015_30_a10,
     author = {John Bourke and Nick Gurski},
     title = {A cocategorical obstruction to tensor products of {Gray-categories}},
     journal = {Theory and applications of categories},
     pages = {387--409},
     publisher = {mathdoc},
     volume = {30},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2015_30_a10/}
}