This web page lists the references in my paper:

"Some Results on Systems of Finite Sets that Satisfy a Certain Intersection Condition" with L.M.H. Ein, D.R. Richman, D.J. Kleitman and D. Sturtevant, Studies in Applied Mathematics, 65(1981), p. 269-274.

- B. Bollobas, "Sperner systems consisting of pairs of complementary subsets", J. Combinatorial Theory Ser. A, 15:363-366 (1973).
- P. Erdos, C. Ko and R. Rado, "Intersection theorems for systems of finite sets", Quart. J. Math. Oxford Ser. 2, 12:313-320 (1961).
- Shou-yen Robert Li, "An extremal problem among subsets of a set", J. Combinatorial Theory Ser. A, 23:341-343 (1977).
- Shou-yen Robert Li, "Extremal theorems on divisors of a number", Discrete Math. 24:37-46 (1978).

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