TY  - JOUR
AU  - Akemann, Charles A.
AU  - Walter, Martin E.
TI  - Unbounded Negative Definite Functions
JO  - Canadian journal of mathematics
PY  - 1981
SP  - 862
EP  - 871
VL  - 33
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1981-067-9/
DO  - 10.4153/CJM-1981-067-9
ID  - 10_4153_CJM_1981_067_9
ER  -