BARANETSKIJ, Ya.O.; KALENYUK, P.I.; KOLYASA, L.I.; KOPACH, M.I. The nonlocal problem for the differential-operator equation of the even order with the involution. Carpathian Mathematical Publications, [S. l.], v. 9, n. 2, p. 109–119, 2018. DOI: 10.15330/cmp.9.2.109-119. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/1454. Acesso em: 8 dec. 2024.