Ingebrigt Johansson (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ingebrigt Johansson" in English language version.

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  • Ingebrigt Johansson (1937). "Der Minimalkalkül, ein reduzierter intuitionistischer Formalismus". Compositio Mathematica (in German). 4: 119–136.

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