1. I. I. Artamonova, “On the uniqueness of addition in semirings,” Fundam. Prikl. Mat., 3, No. 4, 1093–1100 (1997).
2. G. Birkhoff, Theory of Lattices [Russian translation], Nauka, Moscow (1984).
3. L. M. Gluskin, “Automorphisms of semigroups of binary relations,” Mat. Zapiski Ural. Gos. Univ., 6, 44–54 (1967).
4. G. Gr¨atzer, General Lattice Theory [Russian translation], Mir, Moscow (1982).
5. J. Giveon, “Lattice matrices,” Inform. Control, 7, 477–484 (1964).