A Course in Combinatorics
by J.H. van Lint, R.M. Wilson · J.H. van Lint, R.M. Wilson
Graduate-level textbook covering graph theory, designs, codes, Latin squares, partitions, inclusion-exclusion, generating functions and Ramsey theory in short self-contained chapters. Readers learn standard combinatorial proof techniques and can tackle counting and existence problems beyond introductory discrete mathematics.
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