Parametric optimal syntheses for parabolic equation with non-local boundary conditions and semidefined functional. Neliniini Kolyvannya, [S. l.], v. 16, n. 1, p. 38–43, 2013. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/677. Acesso em: 21 jan. 2026.