@article{IM_1985__81_143252,
     author = {S.M. Bhatwadekar and H. Lindel and R.A. Rao},
     title = {The {Bass-Murthy} question: {Serre} dimension of {Laurent} polynomial extensions.},
     journal = {Inventiones mathematicae},
     pages = {189--204},
     publisher = {mathdoc},
     volume = {81},
     year = {1985},
     zbl = {0604.13007},
     url = {http://geodesic.mathdoc.fr/item/IM_1985__81_143252/}
}