@article{10_1017_S0017089500001464,
     author = {Bry\'nski, M.},
     title = {Forms of the rings {R[X]} and {R[X,} {Y]}},
     journal = {Glasgow mathematical journal},
     pages = {91--97},
     year = {1972},
     volume = {13},
     number = {2},
     doi = {10.1017/S0017089500001464},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001464/}
}