@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/