@article{1102703884, author = {Ghez, P. and Lima, R. and Roberts, J. E.}, title = {$W^\ast$-categories.}, journal = {Pacific J. Math.}, volume = {120}, number = {2}, year = {1985}, pages = { 79-109}, language = {en}, url = {http://dml.mathdoc.fr/item/1102703884} }
Ghez, P.; Lima, R.; Roberts, J. E. $W^\ast$-categories.. Pacific J. Math., Tome 120 (1985) no. 2, pp. 79-109. http://gdmltest.u-ga.fr/item/1102703884/