[2] L. Lesieur R. Croisot:
Algèbre noethérienne non commutative. Mémorial des Sciences Mathématiques, Paris, 1963.
MR 0155861
[3] Jiang Luh:
On the concept of radical of semigroups having kernel. Portugaliae Mathematica 19 (1960), 189-198.
MR 0131482
[6] Št. Schwarz: О maksimal'nych idealach v teorii polugrupp I, II. Czechoslovak Math. J. 3 (78) (1953), 139-153, 365-383.
[7] Št. Schwarz:
Maximálne ideály a štruktúra pologrúp. Mat. fyz. časopis SAV 3 (1953), 17-39.
MR 0064784
[8] Št. Schwarz:
Subsemigroups of simple semigroups. Czechoslovak Math. J. 13 (88) (1963), 226-239.
MR 0158014 |
Zbl 0122.02402
[9] О. Zariski P. Samuel: Commutative algebra, vol. I. Princeton, 1958.
[10] R. Šulka: О nil'potentnych elementach, idealach i radikalach polugruppy. Mat. fyz. časopis SAV 13 (1963), 209-222.