1. Andruskiewitsch, N., Beattie, M.: Irreducible representations of liftings of quantum planes, Lie Theory and its Application in Physics, vol. 414–423. World Sci. Publ., River Edge, NJ (2004)
2. Andruskiewitsch, N., Radford, D., Schneider, H.-J.: Complete reducibility theorems for modules over pointed Hopf algebras. J. Algebra 324, 2932–2970 (2010)
3. Andruskiewitsch, N., Schneider, H.-J.: Lifting of quantum linear spaces and pointed Hopf algebras of order p 3. J. Algebra 209, 658–691 (1998)
4. Andruskiewitsch, N., Schneider, H.-J.: Pointed Hopf algebras, New directions in Hopf algebras. Mathematical Sciences Research Institute Publication, vol. 1–68. Cambridge Univ. Press, Cambridge (2002)
5. Andruskiewitsch, N., Schneider, H.-J.: On the classification of finite-dimensional pointed Hopf algebras. Ann. Math. 171, 375–417 (2010)