TY  - JOUR
AU  - A. Schinzel
TI  - A non-standard metric in the group of reals
JO  - Colloquium Mathematicum
PY  - 1985
SP  - 241
EP  - 248
VL  - 50
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-50-2-241-248/
DO  - 10.4064/cm-50-2-241-248
LA  - en
ID  - 10_4064_cm_50_2_241_248
ER  -