@article{GDZPPN002026155,
title = {On Single-Product Functions with Rotational Symmetry (Short Communication)},
journal = {Aequationes mathematicae},
volume = {7},
year = {1971},
pages = {324-325},
url = {http://dml.mathdoc.fr/item/GDZPPN002026155}
}
HALL, R.L. On Single-Product Functions with Rotational Symmetry (Short Communication). Aequationes mathematicae, Tome 7 (1971) pp. 324-325. http://gdmltest.u-ga.fr/item/GDZPPN002026155/