Smarandache BL-algebra. - Arsham Borumand Saeid; Afsaneh Ahadpanah; Lida Torkzadeh (J. Appl. Log., 2010)

Hyper MV-ideals in hyper MV-algebras. - Lida Torkzadeh; Afsaneh Ahadpanah (Math. Log. Q., 2010)