1.
Murach AA, Kasirenko T. Elliptic problems with boundary operators of higher orders in Hörmander–Roitberg spaces. MFAT [Internet]. 2018 Jun. 25 [cited 2025 Dec. 15];24(2):120-42. Available from: https://zen.imath.kiev.ua/index.php/mfat/article/view/690