00346nam a2200097Ia 4500008004100000082001900041100001900060245009800079260005000177300002100227260313b        |||||||| |||| 00| 0 eng d  a511.6bB692.CS  aBollobas, Bela  aCombinatoricsb; set systems, hypergrahs, families of vectors and combinatorial probability /  aCambridge:bCambridge University Press,c1986  axii, 177p. Index