Contracción (geometría) (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Contracción (geometría)" in Spanish language version.

refsWebsite

Global rank Spanish rank

332^nd place

408^th place

451^st place

1,294^th place

ams.org

Mellen W. Haskell (1895) On the introduction of the notion of hyperbolic functions Bulletin of the American Mathematical Society 1(6):155–9,particularly equation 12, page 159

cornell.edu

ebooks.library.cornell.edu

Émile Borel (1914) Introduction Geometrique à quelques Théories Physiques, page 29, Gauthier-Villars, link from Universidad Cornell Historical Math Monographs