On an exposed element of a set of doubly stochastic rectangular matrices
Pavel Čihák (1970)
Commentationes Mathematicae Universitatis Carolinae
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Pavel Čihák (1970)
Commentationes Mathematicae Universitatis Carolinae
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Miroslav Fiedler, Vlastimil Pták (1975)
Czechoslovak Mathematical Journal
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Miroslav Fiedler (1974)
Czechoslovak Mathematical Journal
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