Extension de groupes (French Wikipedia)

Analysis of information sources in references of the Wikipedia article "Extension de groupes" in French language version.

refsWebsite

Global rank French rank

1books.google.com

3^rd place

11^th place

books.google.com

(en) Derek J. S. Robinson, A Course in the Theory of Groups, Springer, coll. « GTM » (n^o 80), 1993 (lire en ligne), p. 312, exercice 11.1.3.