[1] A. H. Clifford:
Semigroups containing minimal ideals. Amer. J. of Math., 70 (1948), 521-526.
MR 0025476 |
Zbl 0038.01103
[2] O. E. Forsythe:
SWAC computes all 126 distinct semigroups of order 4. Proc. Amer. Math. Soc. 6(1955), 443-^447.
MR 0069814
[3] E. Hewitt H. S. Zuckerman:
Arithmetic and limit theorems for a class of random variables. Duke Math. Journal, 22 (1955), 595-616.
MR 0075478
[4] E. Hewitt H. S. Zuckerman:
Finite dimensional convolution algebras. Acta Mathematica, 93 (1955), 67-119.
MR 0077522
[5] Št. Schwarz:
О сущесзтвований инвариантных мер на некоторых типах бикомпактных полугрупп. Чех. мат. ж., 7 (82), 1957, 165-182.
MR 0089364 |
Zbl 0098.00919
[6] Št. Schwarz:
On the structure of simple semigroups without zero. Czech. Math. J., 1 (76) (1951), 41-53.
MR 0048428 |
Zbl 0045.15608
[7] J. G. Wendel:
Haar measure and the semigroup of measures on a compact group. Proc. Amer. Math. Soc. 5 (1954), 923-929.
MR 0067904 |
Zbl 0056.26001