Ccolque Taipe, Felipe Clímaco. “Relativization of Tor for HH of Crossed Products”. Selecciones Matemáticas 9, no. 02 (December 30, 2022): 336 - 356. Accessed March 29, 2024. https://revistas.unitru.edu.pe/index.php/SSMM/article/view/4417.