Operations on Fuzzy Relations: A Tool to Construct New Hyperrings. - Irina Cristea; Sanja Jancic-Rasovic (J. Multiple Valued Log. Soft Comput., 2013)

Weak Embeddable Hypernear-Rings. - Jelena Dakic; Sanja Jancic-Rasovic; Irina Cristea (Symmetry, 2019)