# ON THE STRUCTURE OF $V(ZS_4)$

• Shin, Hyunyong (Department of Mathematics, Korea National University) ;
• Lyou, Ikseung (Department of Mathematics, Korea National University)
• Published : 1997.11.01

#### Abstract

The group $V(ZD_4)$ of units of augmentation 1 in the integral group ring $ZD_4$ is characterized as the generalized free product of $D_4$ and $D_4$ with the centers amalgamated.

#### References

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