00467nam a2200157 a 450000500170000000800410001702000150005804100080007308200120008110000180009324500500011126400400016130000260020165000160022765000660024320260717091346.0260717s1987    ii            000 0 eng d  a0198533675  aeng04a511.3221 aAnderson, Ian10aCombinatorics of finite sets /cAnderson, Ian 1aNew York :bClarendon Press,c1987.  axiii, 250 p. ; 24 cm. 4aSet theory. 4aCombinatorial analysis.
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