TY  - BOOK
AU  - Bang-Jensen, Jorgen
AU  - Gutin, Gregory
TI  - Diagraphs: theory,algorithms and applications
T2  - Springer monographs in mathematics
SN  - 1852332689
U1  - 511.54 
PY  - 2001///
CY  - New York
PB  - Springer
ER  -