 |
Sagan, Bruce Eli Combinatorics : the art of counting Providence, Rhode Island : American Mathematical Society, 2020. xix, 304 p. -- (Graduate studies in mathematics ; vol. 210) QA164 S3334 |
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Sagan, Bruce Eli Combinatorics : the art of counting Providence, Rhode Island : American Mathematical Society, 2020. xix, 304 p. -- (Graduate studies in mathematics ; vol. 210) QA164 S3334 |