TY  - JOUR
AU  - R.L. HALL
TI  - On Single-Product Functions with Rotational Symmetry (Short Communication)
JO  - Aequationes mathematicae
PY  - 1971
SP  - 324
EP  - 325
VL  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1971__7_136266/
ID  - AM2_1971__7_136266
ER  -