MikhailetsV. A. and MurachA. A. (2007) “Improved scales of spaces and elliptic boundary-value problems. III”, Ukrains’kyi Matematychnyi Zhurnal, 59(5), pp. 679–701. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3338 (Accessed: 24November2024).