1. V. Camillo, Morita equivalence and infinite matrix rings. Proc. Amer. Math. Soc. (2)90, 186?188 (1984).
2. K. Morita, Duality for modules and its applications to the theory of rings with minimum condition. Science Reports, Tokyo Kyoiku Daigaku6, 83?142 (1958).
3. W.Stephenson, Characterization of rings and modules by means of lattices. Ph.D. thesis, Bedford College, University of London 1965.