%0 Journal Article
%A Fernando Serrano
%T Multiple fibres of a morphism.
%J Commentarii mathematici Helvetici
%D 1990
%P 287-298
%V 65
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140196/
%F CMH_1990__65_3_140196