The Tesamat (Tesauro de Matemáticas, "Thesaurus of Mathematics" in English) was created in the Biblioteca de Ciencas Matemáticas (Library of Mathematical Sciences) of the Universidad Complutense de Madrid. It contains 1,944 terms (subject headings) which can be consulted with a simple alphabetic index of terms or with an alphabetic index of subject headings which includes semantic relationships for the subject headings and the numbers which correspond to them in the following classification systems: CDU, LC, and American Mathematical Society (AMS).
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