%0 Journal Article %A Gromadzki, Grzegorz %T On Soluble Groups of Automorphism of Riemann Surfaces %J Canadian mathematical bulletin %D 1991 %P 67-73 %V 34 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-011-x/ %R 10.4153/CMB-1991-011-x %F 10_4153_CMB_1991_011_x