TY  - BOOK
AU  - Bang-Jensen Jorgen
AU  - Gutin Gregory
TI  - Digraphs: theory, algorithms and applications
SN  - 1-85233268-9
U1  - 511.5 
PY  - 2001///
CY  - London
PB  - Springer-Verlag
KW  - Directed graphs
ER  -