TY  - JOUR
AU  - Flor, Peter
TI  - On groups of non-negative matrices
JO  - Compositio Mathematica
PY  - 1969
SP  - 376
EP  - 382
VL  - 21
IS  - 4
PB  - Wolters-Noordhoff Publishing
UR  - http://www.numdam.org/item/CM_1969__21_4_376_0/
LA  - en
ID  - CM_1969__21_4_376_0
ER  -