TY  - DATA
AU  - Jørgen Bang-Jensen, Gregory Z. Gutin
TI  - Digraphs
SN  - 9781848009981
PY  - 2009///
PB  - Springer London
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-1-84800-998-1
ER  -