TY  - BOOK
AU  - Bruladi, Richard A.
AU  - Ryser, Herbert J.
TI  - Combinatorial matrix theory
T2  - Encyclopedia of Mathematics and Its Applications
SN  - 0521322650
U1  - 512.9434 
PY  - 1991///
CY  - Cambridge
PB  - Cambridge University Press
ER  -