@article{TAC_1997_3_a10,
     author = {David B. Benson},
     title = {Multilinearity of {Sketches}},
     journal = {Theory and applications of categories},
     pages = {267--277},
     publisher = {mathdoc},
     volume = {3},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_1997_3_a10/}
}