IVANOV, M. I.; PABYRIVS’KA, N. V. Simultaneous Determination of Two Coefficients of a Parabolic Equation in the Case of Nonlocal and Integral Conditions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 53, n. 5, p. 589–596, 2001. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4282. Acesso em: 5 dec. 2025.