@article{MAN_1982__261_182881, author = {Raman Parimala}, title = {Quadratic {Spaces} {Over} {Polynomial} {Extensions} of {Regular} {Rings} of {Dimension} 2.}, journal = {Mathematische Annalen}, pages = {287--292}, publisher = {mathdoc}, volume = {261}, year = {1982}, zbl = {0492.10018}, url = {http://geodesic.mathdoc.fr/item/MAN_1982__261_182881/} }