@article{GDZPPN002236303, title = {Minimal forms with respect to function fields of conics.}, journal = {Manuscripta mathematica}, volume = {86}, year = {1995}, pages = {23-48}, zbl = {0824.11022}, url = {http://dml.mathdoc.fr/item/GDZPPN002236303} }
Hoffmann, D.W.; Van Geel, J. Minimal forms with respect to function fields of conics.. Manuscripta mathematica, Tome 86 (1995) pp. 23-48. http://gdmltest.u-ga.fr/item/GDZPPN002236303/