Макарова ИС. A method for solving basic boundary value problems for a second-order self-adjoint differential operator with constant coefficients in domains of arbitrary shape. Вестник НФ БГТУ: мехмат [Internet]. 2021Mar.22 [cited 2026Nov.12];1(1):12-2. Available from: https://www.vestnik-nbbstu-mechmath.ru/ojs/index.php/vnfbstumm/article/view/5