TY  - BOOK
AU  - Childress,Robert L
TI  - Sets, matrices, and linear programming
SN  - 0138067376
PY  - 1974///
CY  - Englewood Cliffs, N.J.: 
PB  - Prentice-Hall, 
KW  - Set theory
KW  - Matrices
KW  - Linear programming
N1  - Includes bibliographies
ER  -