%0 Journal Article
%A Joel Hass
%A Peter Scott
%T Homotopy and isotopy in dimension three.
%J Commentarii mathematici Helvetici
%D 1993
%P 341-364
%V 68
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1993__68_2_140307/
%F CMH_1993__68_2_140307