@article{TAC_2009_22_a12,
     author = {Chris Heunen},
     title = {An embedding theorem for {Hilbert} categories},
     journal = {Theory and applications of categories},
     pages = {321--344},
     publisher = {mathdoc},
     volume = {22},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2009_22_a12/}
}