TY  - JOUR
AU  - Bernstein, Leon
TI  - Gaining Units from Units
JO  - Canadian journal of mathematics
PY  - 1977
SP  - 93
EP  - 106
VL  - 29
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-009-5/
DO  - 10.4153/CJM-1977-009-5
ID  - 10_4153_CJM_1977_009_5
ER  -