%0 Journal Article %A António Breda d'Azevedo %A Rui Duarte %T Bipartite-uniform hypermaps on the sphere %J The electronic journal of combinatorics %D 2007 %V 14 %U http://geodesic.mathdoc.fr/articles/10.37236/924/ %R 10.37236/924 %F 10_37236_924