TY  - JOUR
AU  - Olga Taussky
TI  - Norms from Quadratic Fields and Their Relation to Noncommuting 2 x 2 Matrices III. A Link between the 4-rank of the Ideal Class Groups in...(..m) and in ...(...-m).
JO  - Mathematische Zeitschrift
PY  - 1977
SP  - 91
EP  - 96
VL  - 154
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1977__154_172512/
ID  - MZ_1977__154_172512
ER  -