TY  - JOUR
AU  - G.M. Petersen
AU  - F.R. Keogh
TI  - A strengthened form of a theorem of Wiener.
JO  - Mathematische Zeitschrift
PY  - 1959
SP  - 31
EP  - 35
VL  - 71
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1959__71_169791/
ID  - MZ_1959__71_169791
ER  -