V. Mikhailets, A. . Murach, and I. Chepurukhina, “Elliptic operators and boundary-value problems in spaces of generalized smothness ”, Ukr. Mat. Zhurn., vol. 76, no. 9, pp. 1331–1363, Apr. 2025, doi: 10.3842/umzh.v76i9.8595.