TY  - BOOK
AU  - Bollobas, Bela 
TI  - The art of mathematics : : Coffee time in memphis 
SN  - 9781107601734
U1  - 510 
PY  - 2006///
CY  -  New Delhi
PB  - Cambridge University Press
KW  - Mathematics
KW  - Boundary cubes
KW  - Nested subsets
KW  - Difference bses
KW  - Perfect tress
ER  -