TY  - JOUR
AU  - Bloom, Walter R.
AU  - Ressel, Paul
TI  - Positive Definite and Related Functions on Hypergroups
JO  - Canadian journal of mathematics
PY  - 1991
SP  - 242
EP  - 254
VL  - 43
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1991-013-2/
DO  - 10.4153/CJM-1991-013-2
ID  - 10_4153_CJM_1991_013_2
ER  -