SPECIAL HYPERBOLIC TYPE APPROXIMATION AND FOURIER METHOD FOR SOLVING 3-D STATIONARY DIFFUSION PROBLEM. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 2, p. 181–187, 2025. DOI: 10.17770/etr2025vol2.8576. Disponível em: https://archive-journals.rtu.lv/etr/article/view/5163.. Acesso em: 11 mar. 2026.