%0 Journal Article
%A J. F. Jardine
%T Introduction
%J Homology, homotopy, and applications
%D 2005
%P 5-5
%V 7
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/HHA_2005_7_3_a3/
%G en
%F HHA_2005_7_3_a3