%0 Journal Article %A Yan Yang %A Yanpei Liu %T Classification of \((p,q,n)\)-dipoles on nonorientable surfaces %J The electronic journal of combinatorics %D 2010 %V 17 %U http://geodesic.mathdoc.fr/articles/10.37236/461/ %R 10.37236/461 %F 10_37236_461