TY - JOUR AU - António Breda d'Azevedo AU - Rui Duarte TI - Bipartite-uniform hypermaps on the sphere JO - The electronic journal of combinatorics PY - 2007 VL - 14 UR - http://geodesic.mathdoc.fr/articles/10.37236/924/ DO - 10.37236/924 ID - 10_37236_924 ER -