BogdanskiiY. V. (2015) “Boundary Trace Operator in a Domain of Hilbert Space and the Characteristic Property of its Kernel”, Ukrains’kyi Matematychnyi Zhurnal, 67(11), pp. 1450-1460. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2081 (Accessed: 23November2024).