Publication
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Abstracte algebraische systemen Tech Report
January 1949 -
January 1949
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Inversie van een matrix Tech Report
January 1949 -
Mathematical centre amsterdam Tech Report
January 1949 -
January 1949
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January 1949
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Avondcursus wiskunde 1947-1949 : Analyse Tech Report
January 1949 -
January 1949