TY  - JOUR
AU  - Hillar, C.
AU  - Johnson, C.R.
AU  - Spitkovsky, I.M.
TI  - Positive eigenvalues and two-letter generalized words
JO  - The electronic journal of linear algebra
PY  - 2002
SP  - 21
EP  - 26
VL  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ELA_2002__9__a22/
LA  - en
ID  - ELA_2002__9__a22
ER  -