[1] F. W. Anderson, K. R. Fuller:
Rings and categories of modules. Springer-Verlag, New York-Heidelberg-Berlin, 1974.
MR 0417223 |
Zbl 0301.16001
[2] L. Bican T. Kepka, P. Němec:
Rings, modules, and preradicals. M. Dekker Inc., New York-Basel, 1982.
MR 0655412
[4] P. С. Eklof: Independence results in algebra. mimeographed lecture notes, Yale, 1976.
[5] K. R. Goodearl:
Von Neumann regular rings. Pitman, London-San Francisco-Melbourne, 1979.
MR 0533669 |
Zbl 0411.16007
[8] S. Shelah:
Whitehead groups may be not free. even assuming CH, I., Israel J. Math. 28 (1977), 193-204.
MR 0469757 |
Zbl 0369.02035
[9] J. Trlifaj, T. Kepka:
Structure of $T$-rings. in Radical Theory (Proc. Conf. Eger, 1982), Colloq. Math. Soc. Bolyai, North-Holland, Amsterdam, (to appear).
MR 0899130
[10] J. Trlifaj:
Ext and von Neumann regular rings. Czech. Math. J. 35 (110), (1985), 324-332.
MR 0787134 |
Zbl 0577.16007