P. Vijayalakshmi, and J. Stella Irene Mary. “\(n\)-Power Quasi-Isometry and \(n\)-Power Normal Composition Operators on \(L^2\)-Spaces”. Malaya Journal of Matematik 4, no. 01 (January 1, 2016): 42–52. Accessed November 25, 2024. https://www.malayajournal.org/index.php/mjm/article/view/511.