[3] N. H. McCoy:
The theory of rings. MacMillan Mathematical Paperbacks (1966).
MR 0188241
[4] K. Numakura:
On bicompact semigroups with zero. Bulletin of Yamagata University (Natural Science). 4 (1951), 405-412.
MR 0065568
[6] A. В. Paalman de-Miranda:
Topological semigroups. Mathematisch Centrum, Amsterdam (1964).
MR 0167963 |
Zbl 0136.26904
[7] Š. Schwarz:
К теории Хаусдорфовых бикомпактных полугрупи. Czech. Math. J. 5 (1955), 1-23.
MR 0074769 |
Zbl 0068.37002
[9] Š. Schwarz:
Prime ideals and maximal ideals in semigroups. Czech. Math. J. 19 (1969), 72-79.
MR 0237680 |
Zbl 0176.29503