1. A. V. Mikhalev, “Isomorphisms of endomorphism rings of modules close to free ones”,Vestn. Mosk. Univ. Ser. 1, Mat., Mekh.,2, 20–27 (1989).
2. K. I. Beidar and A. V. Mikhalev, “Antiisomorphisms of endomorphism rings of modules close to free ones, which are induced by Morita antiequivalences,”IIIrd International Conference in Algebra, Krasnoyarsk (1993), pp. 383–384.
3. M. Bolla, “Isomorphisms between endomorphism rings of progenerators”,J. Algebra,87, 261–281 (1984).
4. L. Gewirtzman, “Anti-isomorphisms of the endomorphism rings of a class of free modules”,Math. Ann.,159, 278–284 (1965).
5. L. Gewirtzman, “Anti-isomorphisms of endomorphism rings of torsion-free modules”,Math. Z.,98, 391–400 (1967).