TY  - JOUR
AU  - Roth, K. F.
TI  - On a theorem of Beck
JO  - Glasgow mathematical journal
PY  - 1985
SP  - 195
EP  - 201
VL  - 26
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006182/
DO  - 10.1017/S0017089500006182
ID  - 10_1017_S0017089500006182
ER  -