Respitawulan R, Pangestu QY, Kusniyanti E, Yuliawan F, Astuti P. On The Adjoint of Bounded Operators On A Semi-Inner Product Space. JIMS [Internet]. 2023 Nov. 30 [cited 2024 Dec. 4];29(3):311-2. Available from: https://jims-a.org/index.php/jimsa/article/view/1598