1. Brown, A.: On a class of operators. Proc. Am. Math. Soc. 4, 723–728 (1953)
2. Cowen, C.: The commutant of an analytic Toeplitz operator. Trans. Am. Math. Soc. 239, 1–31 (1978)
3. Chen, Y., Lee, Y.J., Yu, T.: Reducibility and unitary equivalence for a class of analytic multiplication operator on the Dirichlet space. Preprint
4. Douglas, R., Putinar, M., Wang, K.: Reducing subspaces for analytic multipliers of the Bergman space (2011). arXiv: 1110.4920v1 [math.FA]
5. Guo, K., Sun, S., Zheng, D., Zhong, C.: Multiplication operators on the Bergman space via the Hardy space of the bidisk. J. Reine Angew. Math. 628, 129–168 (2009)