1. Auslander, M., Carlson, J.: Almost-split sequences and groups rings. J. Algebra 103, 122–140 (1986)
2. Carlson, J. F.: Endotrivial modules. Recent developments in Lie algebras, groups and representation theory, vol. 86, pp 99–111. Amer. Math. Soc., Providence (2012)
3. Carlson, J. F., Nakano, D. K.: Endotrivial modules for finite group schemes. J. Reine Angew. Math. 653, 149–178 (2011)
4. Carlson, J. F., Nakano, D. K.: Endotrivial modules for finite group schemes II. Bull. Inst. Math. Acad. Sin. (N.S.) 7(2), 271–289 (2012)
5. Chari, V., Pressley, A.: A Guide to Quantum Groups. Cambridge University Press (1994)