Publication
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January 1980
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January 1980
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January 1980
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January 1980
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January 1980
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January 1980
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A counterexample to a conjecture of Edmonds and Giles Article
Discrete Mathematics, 213-214.January 1980 -
On lower bounds for permanents Article
Indagationes Mathematicae, 425-427.January 1980