Perfect getal (Dutch Wikipedia)

Analysis of information sources in references of the Wikipedia article "Perfect getal" in Dutch language version.

refsWebsite

Global rank Dutch rank

1,423^rd place

17^th place

26^th place

170^th place

2^nd place

8^th place

1uni-bielefeld.de

9,437^th place

low place

low place

low place

doi.org

dx.doi.org

(en) Derrick N. Lehmer (1900): "Multiply Perfect Numbers". In: Annals of Mathematics, Second Series, Vol. 2, No. 1/4 (1900-1901); pp. 103-104. DOI:10.2307/2007188

google.nl

books.google.nl

(en) Rushdī Rāshid: The Development of Arabic Mathematics; pag. 238.

jstor.org

(en) Derrick N. Lehmer (1900): "Multiply Perfect Numbers". In: Annals of Mathematics, Second Series, Vol. 2, No. 1/4 (1900-1901); pp. 103-104. DOI:10.2307/2007188

lirmm.fr

(en) P. Ochem, M. Rao (2011): Odd perfect numbers are greater than 10¹⁵⁰⁰.In: Mathematics of computation.

uni-bielefeld.de

wwwhomes.uni-bielefeld.de

(en) Achim Flammenkamp: The Multiply Perfect Numbers Page. Via: Universität Bielefeld.