%0 Journal Article %A Miller, G. A. %T Groups generated by two operators satisfying the condition $s_1 s_2 = s_2^{-1}s_1^n$ %J Prace Matematyczno-Fizyczne %D 1909 %P 193-197 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PMF_1909_20_1_a4/ %G en %F PMF_1909_20_1_a4