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One relator quotients of the extended modular group
S. Ikikardes,Ö. Koruoglu,R. Sahin,I. N. Cangül 장전수학회 2008 Advanced Studies in Contemporary Mathematics Vol.17 No.2
In this paper, we obtain one relator quotients of the extended modular group by adding an extra relation to the existing two relations. Then, we show that some of one-relator quotients of ┍ are M-groups.