Semirigid sets of diamond orders. - Vaktang Lashkia; Masahiro Miyakawa; Akihiro Nozaki; Grant Pogosyan; Ivo G. Rosenberg (Discret. Math., 1996)

A Finite Basis of the Set of All Monotone Partial Functions Defined over a Finite Poset. - Akihiro Nozaki; Vaktang Lashkia (ISMVL, 1998)