Chen Chung Chang and Anne C. Morel. Some cancellation theorems for ordinal products of relations. Duke mathematical journal, vol. 27 (1960), pp. 171–181. - Chen Chung Chang. Cardinal and ordinal multiplication of relation types. Lattice theory, Proceedings of symposia in pure mathematics, vol. 2, American Mathematical Society, Providence 1961, pp. 123–128. - C. C. Chang. Ordinal factorization of finite relations. Transactions of the American Mathematical Society, vol. 101 (1961), pp. 259–293.

Ann M. Singleterry

doi:10.2307/2270662

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Chen Chung Chang and Anne C. Morel. Some cancellation theorems for ordinal products of relations. Duke mathematical journal, vol. 27 (1960), pp. 171–181. - Chen Chung Chang. Cardinal and ordinal multiplication of relation types. Lattice theory, Proceedings of symposia in pure mathematics, vol. 2, American Mathematical Society, Providence 1961, pp. 123–128. - C. C. Chang. Ordinal factorization of finite relations. Transactions of the American Mathematical Society, vol. 101 (1961), pp. 259–293.

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Chen Chung Chang and Anne C. Morel. Some cancellation theorems for ordinal products of relations. Duke mathematical journal, vol. 27 (1960), pp. 171–181. - Chen Chung Chang. Cardinal and ordinal multiplication of relation types. Lattice theory, Proceedings of symposia in pure mathematics, vol. 2, American Mathematical Society, Providence 1961, pp. 123–128. - C. C. Chang. Ordinal factorization of finite relations. Transactions of the American Mathematical Society, vol. 101 (1961), pp. 259–293.

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Chen Chung Chang and Anne C. Morel. Some cancellation theorems for ordinal products of relations. Duke mathematical journal, vol. 27 (1960), pp. 171–181. - Chen Chung Chang. Cardinal and ordinal multiplication of relation types. Lattice theory, Proceedings of symposia in pure mathematics, vol. 2, American Mathematical Society, Providence 1961, pp. 123–128. - C. C. Chang. Ordinal factorization of finite relations. Transactions of the American Mathematical Society, vol. 101 (1961), pp. 259–293.

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