@article{GDZPPN002438305,
title = {Symplectic K2 of Laurent polynomials, associated Kac-Moody groups and Witt rings.},
journal = {Mathematische Zeitschrift},
volume = {207},
year = {1991},
pages = {57-66},
zbl = {0728.19001},
url = {http://dml.mathdoc.fr/item/GDZPPN002438305}
}
Rehmann, Ulf; Morita, Jun. Symplectic K2 of Laurent polynomials, associated Kac-Moody groups and Witt rings.. Mathematische Zeitschrift, Tome 207 (1991) pp. 57-66. http://gdmltest.u-ga.fr/item/GDZPPN002438305/