TY  - BOOK
AU  - Jensen, Jorgen Bang
AU  - Gutin, Gregory
TI  - Digraphs: theory, algorithms and applications
SN  - 1852336110
U1  - 511.5 JEN 
PY  - 2002///
CY  - London
PB  - Springer Verlag
KW  - Directed graphs
ER  -