TY  - GEN
AU  - Spiegel,Eugene
AU  - O'Donnell,Christopher J.
TI  - Incidence algebras
SN  - 0824700368 (hc : acidfree paper)
AV  - QA251.3 
U1  - 512.4 
PY  - 1997///
CY  - New York
PB  - M. Dekker
KW  - Incidence algebras
N1  - Bibliografie p. 317
Index p. 327
UR  - http://www.loc.gov/catdir/enhancements/fy0647/96051435-d.html
ER  -