関係代数 (数学) (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "関係代数 (数学)" in Japanese language version.

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2,548^th place

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iastate.edu

orion.math.iastate.edu

Maddux, R. : The Origin of Relation Algebras in the Development and Axiomatization of the Calculus of Relations, Studia Logica 50(3/4) (1991), 421-55. http://orion.math.iastate.edu/maddux/papers/Maddux1991.pdf