TY  - BOOK
AU  - Orchard-Hays W
TI  - Matrices, elemination and the simplex method
U1  - B245, K1 
PY  - 1961///
CY  - Washington
PB  - CEIR          
KW  - Matrix
N1  - Bib P 139-41; Appendix P 127-38
ER  -