The cardinal module and some theorems on families of sets

Springer Science and Business Media LLC - Tập 102 Số 1 - Trang 135-154 - 1975
R. Rado1
1Reading, England

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Tài liệu tham khảo

R. Rado,A theorem on general measure functions, Proceed. London Math. Soc.,44 (1938), pp. 61–91.

P. Hall,On representatives of subsets, Journ. London Math. Soc.,10 (1935). pp. 26–30.

M. Hall, Jr.,Distinct representatives of subsets, Bull. American Math. Soc.,54 (1948), pp. 922–928.

C. Berge —R. Rado,Note on isomorphic hypergraphs and some extensions of Whitney's theorem to families of sets, Journ. Combinat. Theory,13 (1972), pp. 227–241.

R. Rado,A selection lemma, Journ. Combinat. Theory,10 (1971), pp. 176–177.