TY  - JOUR
AU  - Nelis, Peter
TI  - Schur and Projective Schur Groups of Number Rings
JO  - Canadian journal of mathematics
PY  - 1991
SP  - 540
EP  - 558
VL  - 43
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1991-033-5/
DO  - 10.4153/CJM-1991-033-5
ID  - 10_4153_CJM_1991_033_5
ER  -