@article{10_1017_S0017089500031426,
     author = {Attele, K. R. M. and Lubin, A. R.},
     title = {Models for joint isometries},
     journal = {Glasgow mathematical journal},
     pages = {191--194},
     year = {1996},
     volume = {38},
     number = {2},
     doi = {10.1017/S0017089500031426},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500031426/}
}