TY  - JOUR
AU  - Victoria Powers
TI  - Higher Level Reduced Witt Rings of Skew Fields.
JO  - Mathematische Zeitschrift
PY  - 1988
SP  - 545
EP  - 554
VL  - 198
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1988__198_3_173942/
ID  - MZ_1988__198_3_173942
ER  -