Publication
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De continuum-hypothese: een onoplosbaar probleem : (geloof en wetenschap, _6_3(1965), p 21-32) Tech Report
January 1965 -
January 1965 -
Eindig voortgebrachte commutatieve halfgroepen Tech Report
January 1965 -
January 1965 -
A combinatorial problem on finite semigroups Tech Report
January 1965 -
January 1965 -
January 1965 -
Ballot problemen Tech Report
January 1965