TY  - BOOK
AU  - Kolchin Valentin F
AU  - Tarakanov V E
TI  - Combinatorics of nonnegative matrices
SN  - 0-8218-2788-X
U1  - 510TM 
PY  - 2002///
CY  - Providence
PB  - AMS
KW  - Combinatorial analysis
KW  - Non-negative matrices
ER  -