Burman E. A primal dual mixed finite element method for inverse identification of the diffusion coefficient and its relation to the Kohn-Vogelius penalty method. Sel.Mat. [Internet]. 14 de junio de 2023 [citado 1 de julio de 2025];10(01):16 - 28. Disponible en: https://revistas.unitru.edu.pe/index.php/SSMM/article/view/5279