REFERENCES
- Kawano , T. ( 2014 ). The structures of the cohomology rings of wreathed 2-groups . Comm. Algebra. 42 : 3634 – 3664 .
- Siegel , S. F. , Witherspoon , S. J. ( 1997 ). The Hochschild cohomology ring of a group algebra . Proc. London Math Soc. 3 : 131 – 157 .
- Communicated by S. Sehgal.