%0 Journal Article %A Goulden, I. P. %A Jackson, D. M. %T Maps in Locally Orientable Surfaces, the Double Coset Algebra, and Zonal Polynomials %J Canadian journal of mathematics %D 1996 %P 569-584 %V 48 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-029-x/ %R 10.4153/CJM-1996-029-x %F 10_4153_CJM_1996_029_x