Андрончев ИК, Ермоленко ГЮ. Solution of the Neumann problem for a non-self-adjoint differential equation. Вестник НФ БГТУ: мехмат [Internet]. 2021Nov.30 [cited 2026Nov.12];1(3):007-9. Available from: https://www.vestnik-nbbstu-mechmath.ru/ojs/index.php/vnfbstumm/article/view/19