EL PROBLEMA DE BASILEA

CRÉDITOS PROBLEMA DE BASILEA
LEONARD EULER
De Jakob Emanuel Handmann - 2011-12-22 (upload, according to EXIF data), Dominio público, https://commons.wikimedia.org/w/index...
JHON WALLIS
https://commons.wikimedia.org/w/index...
LEIBNIZ
De Bernhard Francke - Herzog Anton Ulrich-Museum Braunschweig, Dominio público, https://commons.wikimedia.org/w/index...
JOHANN BERNOULLI
De Johann Rudolf Huber - http://test.maa.org, Dominio público, https://commons.wikimedia.org/w/index...
JAKOB BERNOULLI
De Niklaus Bernoulli (1662-1716) - [2] [3], Dominio público, https://commons.wikimedia.org/w/index...
DANIEL BERNOULLI
De Unbekannt - This image is from the collection of the ETH-Bibliothek and has been published on Wikimedia Commons as part of a cooperation with Wikimedia CH. Corrections and additional information are welcome., Dominio público, https://commons.wikimedia.org/w/index...
CHRISTIAN GOLDBACH

JAMES STIRLING
https://alchetron.com/James-Stirling-...
YOUNG EULER
http://www.ega-math.narod.ru/Bell/Eul...
JACQUES HADAMARD
De en.wikipedia, Dominio público, https://commons.wikimedia.org/w/index...
ARTÍCULO SOBRE EL TEMA
http://ab.dip-caceres.org/export/site...