ChandraH., and KumarD. “Antinormal Composition Operators on $L^2$ -Space of an Atomic measure space”. Ukrains’kyi Matematychnyi Zhurnal 71, no. 1 (January 25, 2019): 92-98. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/1421.