Sharp, H. (1965). Finite functions: An introduction to combinatorial mathematics QA. Prentice-Hall.
Chicago-viite (17. p.)Sharp, Henry. Finite Functions: An Introduction to Combinatorial Mathematics QA. Englewood Cliffs, N.J: Prentice-Hall, 1965.
MLA-viite (9. p.)Sharp, Henry. Finite Functions: An Introduction to Combinatorial Mathematics QA. Prentice-Hall, 1965.
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