William Brouncker, 2. vicomte Brouncker (Norwegian Wikipedia)

Analysis of information sources in references of the Wikipedia article "William Brouncker, 2. vicomte Brouncker" in Norwegian language version.

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books.google.com

John Wallis, Arithmetica Infinitorum, ... (Oxford, England: Leon Lichfield, 1656), page 182. Brouncker expressed, as a continued fraction, the ratio of the area of a circle to the area of the circumscribed square (i.e., 4/π). The continued fraction appears at the top of page 182 (roughly) as: ☐ = 1 1/2 9/2 25/2 49/2 81/2 &c, where the square denotes the ratio that is sought. (Note: On the preceding page, Wallis names Brouncker as: "Dom. Guliel. Vicecon, & Barone Brouncher" (Lord William Viscount and Baron Brouncker).)

Gemeinsame Normdatei, GND-ID 117634794, besøkt 12. august 2015^{[Hentet fra Wikidata]}

Gran Enciclopèdia Catalana, oppført som William Brouncker, Gran Enciclopèdia Catalana-ID 0012422^{[Hentet fra Wikidata]}

Oxford Dictionary of National Biography, oppført som William Brouncker, Oxford Biography Index Number 3597^{[Hentet fra Wikidata]}

Sapere Encyclopedia, oppført som William, 2º viscónte di Castle-Lyons Brouncker, De Agostini ID Brouncker,+William,+2º+viscónte+di+Castle-Lyons^{[Hentet fra Wikidata]}

Social Networks and Archival Context, oppført som William Brouncker, 2nd Viscount Brouncker, SNAC Ark-ID w67m109m, besøkt 9. oktober 2017^{[Hentet fra Wikidata]}

The Peerage, The Peerage person ID p17980.htm#i179798, oppført som William Brouncker, 2nd Viscount Brouncker of Lyons^{[Hentet fra Wikidata]}