Elsevier

Information Processing Letters

Volume 9, Issue 5, 16 December 1979, Pages 195-196
Information Processing Letters

Systems of distinct representatives for k families of sets☆

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☆

This work has been supported by the Conselho Nacional de Desenvolvimento Cientifico e Tecnologica (CNPq), Brasil.

∗∗

Present address: Computer Science Division, University of California, Berkeley, CA 94720, U.S.A.

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