@article{ASUO_2018_XXVI_1_a13, author = {Sule Kaymak and Bilal Demir and zden Koruoglu and Recep Sahin }, title = {Commutator {Subgroups} of {Generalized} {Hecke} and {Extended} {Generalized} {Hecke} {Groups } }, journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}}, publisher = {mathdoc}, volume = {XXVI}, number = {1}, year = {2018}, url = {http://geodesic.mathdoc.fr/item/ASUO_2018_XXVI_1_a13/} }