Abujabal HAS, Obaid MA, Khan MA. On commutativity of rings with constraints involving a nil subset. Proyecciones (Antofagasta, On line) [Internet]. 2018Apr.4 [cited 2024May3];15(1):91-9. Available from: https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/2704