GOL’DMAN, N. Application of the duality principle in inverse problems for parabolic equations with unknown right-hand sides. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie), [S. l.], v. 15, n. 39, p. 130–142, 2014. Disponível em: https://en.num-meth.ru/index.php/journal/article/view/756. Acesso em: 25 apr. 2024.