Mikhailets, V. A. and Murach, A. A. (2006) “Improved scales of spaces and elliptic boundary-value problems. II”, Ukrains’kyi Matematychnyi Zhurnal, 58(3), pp. 352–370. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3459 (Accessed: 20April2024).