TY  - JOUR
AU  - Thurston, H.A.
TI  - Number-systems, A Modern Introduction, by Mervin L. Keedy. Addison-Wesley, 1965. ix + 226 pages. $6.50.
JO  - Canadian mathematical bulletin
PY  - 1967
SP  - 154
EP  - 154
VL  - 10
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0008439500027879/
DO  - 10.1017/S0008439500027879
ID  - 10_1017_S0008439500027879
ER  -