TY  - JOUR
AU  - Carlson, R. E.
AU  - Cullen, C. G.
TI  - A Characterization of Intrinsic Functions on
JO  - Canadian journal of mathematics
PY  - 1969
SP  - 136
EP  - 146
VL  - 21
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-012-5/
DO  - 10.4153/CJM-1969-012-5
ID  - 10_4153_CJM_1969_012_5
ER  -