TY  - JOUR
AU  - Stewart, James
TI  - Counterexample to a Conjecture on Positive Definite Functions
JO  - Canadian journal of mathematics
PY  - 1972
SP  - 926
EP  - 929
VL  - 24
IS  - 5
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-092-2/
DO  - 10.4153/CJM-1972-092-2
ID  - 10_4153_CJM_1972_092_2
ER  -