TY  - BOOK
AU  - Bollobas, Bela
TI  - Graph theory: an introductory course
SN  - 9781461299691
U1  - 519.17 
PY  - 1979///
CY  - New York
PB  - Springer-verlag
KW  - MATHEMATICS
KW  - GRAPH THEORY
ER  -