BozhokR. V. (2008) “On the defect of nondenseness of continuous imbeddings in the scale of Hilbert spaces”, Ukrains’kyi Matematychnyi Zhurnal, 60(5), pp. 704–708. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3188 (Accessed: 23November2024).