TY  - JOUR
AU  - Erdos, J. A.
TI  - On products of idempotent matrices
JO  - Glasgow mathematical journal
PY  - 1967
SP  - 118
EP  - 122
VL  - 8
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000173/
DO  - 10.1017/S0017089500000173
ID  - 10_1017_S0017089500000173
ER  -