%0 Journal Article
%A Goulden, I. P.
%A Jackson, D. M.
%T Maps in Locally Orientable Surfaces and Integrals Over Real Symmetric Surfaces
%J Canadian journal of mathematics
%D 1997
%P 865-882
%V 49
%N 5
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1997-045-9/
%R 10.4153/CJM-1997-045-9
%F 10_4153_CJM_1997_045_9