Gassó MT, Gil I, Giménez I, Santana M, Segura E. Diagonal entries of the combined matrix of sign regular matrices of order three. Proyecciones (Antofagasta, On line) [Internet]. 2021Jan.16 [cited 2024Apr.27];40(1):255-71. Available from: https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/4437