%0 Journal Article %A Nick Gill %T \((2,m,n)\)-groups with Euler characteristic equal to \(-2^as^b\). %J The electronic journal of combinatorics %D 2013 %V 20 %N 3 %U http://geodesic.mathdoc.fr/articles/10.37236/2308/ %R 10.37236/2308 %F 10_37236_2308