%0 Journal Article
%A B. Mohar
%T Branched Coverings.
%J Discrete & computational geometry
%D 1988
%P 339-348
%V 3
%N 1-2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DCG_1988__3_1-2_131055/
%F DCG_1988__3_1-2_131055