TY  - BOOK
TI  - Geometric approximation algorithms 
SN  - 9780821849118 | 9781470414009 (online)
PY  - 2011///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/surv/173 | http://dx.doi.org/10.1090/surv/173
ER  -