Mejía Alemán C, Cortez Gutiérrez MM, Taipe Huamaní EL. A characterization of the natural isomorphism of bifunctors. Sel.Mat. [Internet]. 2023Dec.27 [cited 2024May9];10(02):436 - 443. Available from: https://revistas.unitru.edu.pe/index.php/SSMM/article/view/5616