Yetter - Drinfel'd H-Azumaya Monoids in Closed Categories. - J. N. Alonso Álvarez; J. M. Fernández Vilaboa; Emilio Villanueva Nóvoa (Appl. Categorical Struct., 1998)

The Antipode and the (co)invariants of a Finite Hopf (co)quasigroup. - M. Purificación López López; Emilio Villanueva Nóvoa (Appl. Categorical Struct., 2013)