Riordan, John Introduction to combinatorial analysis - New York: Dover Publications, 1958. - x, 244 p.; pb; 22 cm. ISBN: 9780486425368 Subjects--Topical Terms: CombinationsCombinatorial AnalysisCombimatoricsMathematical AnalysisPermutationScienceMathematics Dewey Class. No.: 512.5 / RIO