TY  - JOUR
AU  - Fong, C. K.
AU  - Sourour, A. R.
TI  - On the Operator Identity ∑ AkXBk ≡ 0
JO  - Canadian journal of mathematics
PY  - 1979
SP  - 845
EP  - 857
VL  - 31
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-080-x/
DO  - 10.4153/CJM-1979-080-x
ID  - 10_4153_CJM_1979_080_x
ER  -