R. Deepa, T. Surendiran, D. Michael Raj, S. Suresh. Some Properties of Spectral Theorem Over Hilbert Space. Int. J. Math. And Appl. [Internet]. 2019 Jun. 15 [cited 2024 May 3];7(2):49-50. Available from: http://ijmaa.in/index.php/ijmaa/article/view/246