Openings in Mathematics

doi:10.1017/S0008439500030964

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Openings in Mathematics

Volume 12, Issue 5
DOI: https://doi.org/10.1017/S0008439500030964

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Openings in Mathematics

Volume 12, Issue 5
DOI: https://doi.org/10.1017/S0008439500030964

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Openings in Mathematics

Volume 12, Issue 5
DOI: https://doi.org/10.1017/S0008439500030964

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Openings in Mathematics

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Openings in Mathematics

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