Vynnyts’kyi BV, Shapovalovskii AV. A Remark on the Completeness of Systems of Exponentials with Weight in $L^2(ℝ)$. Ukr. Mat. Zhurn. [Internet]. 2000Jul.25 [cited 2024Sep.1];52(7):875-80. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4486