• [1] W. W. Comfort, The isolated points in the dual of a commutative semi-group, Proc. Amer. Math. Soc. 11 (1960), 227–233. MR 0112910, https://doi.org/10.1090/S0002-9939-1960-0112910-8
• [2] I. M. Gel′fand, D. A. Raĭkov, and G. E. Šilov, Commutative normed rings, Amer. Math. Soc. Transl. (2) 5 (1957), 115–220. MR 0083481
• [3] Edwin Hewitt and Herbert S. Zuckerman, The 𝑙₁-algebra of a commutative semigroup, Trans. Amer. Math. Soc. 83 (1956), 70–97. MR 0081908, https://doi.org/10.1090/S0002-9947-1956-0081908-4
• [4] A. G. Kurosh, The theory of groups. Vol. I, Chelsea Publishing Co., New York, N.Y., 1955. Translated and edited by K. A. Hirsch. MR 0071422
• [5] Lynn H. Loomis, An introduction to abstract harmonic analysis, D. Van Nostrand Company, Inc., Toronto-New York-London, 1953. MR 0054173
• [6] Kenneth A. Ross, A note on extending semicharacters on semigroups, Proc. Amer. Math. Soc. 10 (1959), 579–583. MR 0109185, https://doi.org/10.1090/S0002-9939-1959-0109185-4
• [7] G. E. Šilov, On the decomposition of a commutative normed ring into a direct sum of ideals, Amer. Math. Soc. Transl. (2) 1 (1955), 37–48. MR 0073946
• [8] H. Weyl, The elementary theory of convex polyhedra, Contributions to the Theory of Games, Annals of Mathematics Studies, no. 24, Princeton University Press, Princeton, N.J., 1950, pp. 3–18. MR 0038088
• [9] André Weil, L'intégration dans les groupes topologiques et ses applications, Actualités Scientifiques et Industrielles no. 869, Paris, Hermann, 1940.

Bibliography

[1]

W. W. Comfort, The isolated points in the dual of a commutative semi-group, Proc. Amer. Math. Soc. vol. 11 (1960) pp. 227-233. MR 0112910 (22:3756)

[2]

I. M. Gel'fand, D. A. Raĭkov and G. E. Šilov, Commutative normed rings, Amer. Math. Soc. Translations Series 2, vol. 15 (1957) pp. 115-220. MR 0083481 (18:714h)

[3]

Edwin Hewitt and H. S. Zuckerman, The -algebra of a commutative semigroup, Trans. Amer. Math. Soc. vol. 83 (1956) pp. 70-97. MR 0081908 (18:465b)

[4]

A. G. Kurosh, Theory of groups, Volume I, New York, Chelsea Publishing Company, 1955 (translated by K. A. Hirsch). MR 0071422 (17:124c)

[5]

Lynn H. Loomis, An introduction to abstract harmonic analysis, New York, van Nostrand, 1953. MR 0054173 (14:883c)

[6]

K. A. Ross, A note on extending semicharacters on semigroups, Proc. Amer. Math. Soc. vol. 10 (1959) pp. 579-583. MR 0109185 (22:73)

[7]

G. E. Šilov, On the decomposition of a commutative normed ring into a direct sum of ideals, Amer. Math. Soc. Translations Series 2, vol. 1 (1955) pp. 37-48. MR 0073946 (17:512c)

[8]

Hermann Weyl, The elementary theory of convex polyhedra, Annals of Mathematics Studies no. 24, 1950, pp. 3-18. MR 0038088 (12:352g)

[9]

André Weil, L'intégration dans les groupes topologiques et ses applications, Actualités Scientifiques et Industrielles no. 869, Paris, Hermann, 1940.