%0 Journal Article
%A Pervova, Ekaterina
%A Petronio, Carlo
%T On the existence of branched coverings between surfaces with prescribed branch data, I
%J Algebraic and Geometric Topology
%D 2006
%P 1957-1985
%V 6
%N 4
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.1957/
%R 10.2140/agt.2006.6.1957
%F 10_2140_agt_2006_6_1957