MurachA. A. (1994) “Elliptic boundary-value problems in complete scales of Nikol’skii-type spaces”, Ukrains’kyi Matematychnyi Zhurnal, 46(12), pp. 1647–1654. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5575 (Accessed: 27July2024).