A note on the minimax principle for -positive operators
Ivo Marek (1967)
Commentationes Mathematicae Universitatis Carolinae
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Ivo Marek (1967)
Commentationes Mathematicae Universitatis Carolinae
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Ivo Marek (1962)
Commentationes Mathematicae Universitatis Carolinae
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Jan Menu, Jan Pavelka (1976)
Commentationes Mathematicae Universitatis Carolinae
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