TY  - BOOK
AU  - Knuth Donald E
TI  - Art of computer programming
SN  - 978-0-201-85393-3
U1  - 005.1 
PY  - 2005///
CY  - New Jersey
PB  - Addison-Wesley
KW  - Computer algorithms
KW  - Computer programming
N1  - V 4, fascicle 2; Generating all tuples and permutations
ER  -