TY  - BOOK
AU  - Lando Sergei K
AU  - Zvonkin Alexander K
TI  - Graphs on surfaces and their applications
SN  - 3-540-00203-0
U1  - 512.55 
PY  - 2004///
CY  - Berlin
PB  - Springer-Verlag
KW  - Embedded graphs
KW  - Galois theory
KW  - Riemann surfaces
N1  - Appendix by Don B Zagier
ER  -