05-XX
03 | 
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06 05-XX | 03 | Top | 06 |
| 05-00 | General reference works (handbooks, dictionaries, bibliographies, etc.) |
| 05-01 | Instructional exposition (textbooks, tutorial papers, etc.) |
| 05-02 | Research exposition (monographs, survey articles) |
| 05-03 | Historical (must also be assigned at least one classification number from Section 01) |
| 05-04 | Explicit machine computation and programs (not the theory of computation or programming) |
| 05-06 | Proceedings, conferences, collections, etc. |
| 05Axx | Enumerative combinatorics |
| 05Bxx | Designs and configurations {For applications of design theory, see 94C30} |
| 05Cxx | Graph theory {For applications of graphs, see 68R10, 90C35, 94C15} |
| 05Dxx | Extremal combinatorics |
| 05Exx | Algebraic combinatorics |