00379nam a2200121Ia 4500008004100000020001500041082001900056100001800075245004500093260003300138300002600171490006000197240725b        |||||||| |||| 00| 0 eng d  a0691023654  a511.6bR585.IC  aRiordan, John  aIntroduction to combinatorial analysis /  aNew York:bJohn Wiley,c1958  ax, 244p. Bibl. Index.  aWiley series in Probability and Mathematical Statistics