Rings and Fields, a Constructive View. - Daniel Abraham Romano (Math. Log. Q., 1988)

Equality and Coequality Relations on the Cartesian Product of Sets. - Daniel Abraham Romano (Math. Log. Q., 1988)

Construction of a Coideal of a Ring Compatible with a Principal Ideal. - Daniel Abraham Romano (Math. Log. Q., 1989)

Construction of An Equality Relation on a Set with Coequality Relation. - Daniel Abraham Romano (Math. Log. Q., 1989)

A theorem on cocongruence of rings. - Daniel Abraham Romano (Math. Log. Q., 1990)

Complementary pair of quasi-antiorders. - Sinisa Crvenkovic; Melanija Mitrovic; Daniel Abraham Romano (Reports Math. Log., 2010)

Semigroups with apartness. - Sinisa Crvenkovic; Melanija Mitrovic; Daniel Abraham Romano (Math. Log. Q., 2013)

Hilbert Algebras in a Non-Classical Framework: Hilbert Algebras with Apartness. - Daniel Abraham Romano (FLAP, 2020)

Strongly bi-conjugative relation - A new element in the class of bi-conjugative relations. - Daniel Abraham Romano (Discret. Math. Algorithms Appl., 2024)