TY  - BOOK
AU  - Bollobas, Bela
TI  - Combinatorics: Set systems hypergraphs families of vectors and combinatorial probabiliy 
SN  - 9780521337038
U1  - 511.6 
PY  - 1986///
CY  - London
PB  - Cambridge University Press
KW  - Sperner systems
KW  - Random sets
KW  - Isoperimetric problems
KW  - Vectors
ER  -