@article{MAN_1973__205_162499,
     author = {Friedrich W. Bauer},
     title = {Tensor {Products} of {Operator} {Categories.}},
     journal = {Mathematische Annalen},
     pages = {303--316},
     publisher = {mathdoc},
     volume = {205},
     year = {1973},
     zbl = {0252.18013},
     url = {http://geodesic.mathdoc.fr/item/MAN_1973__205_162499/}
}