TY  - JOUR
AU  - Friedman, N. A.
AU  - Tong, A. E.
TI  - On Additive Operators
JO  - Canadian journal of mathematics
PY  - 1971
SP  - 468
EP  - 480
VL  - 23
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-050-7/
DO  - 10.4153/CJM-1971-050-7
ID  - 10_4153_CJM_1971_050_7
ER  -