Lua APA (7ú heag.)
ebrary, Inc, Hofmann, K. H., Lawson, J. D., & Pym, J. S. (1990). The analytical and topological theory of semigroups: Trend and developments. W. de Gruyter.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Karl Heinrich Hofmann, Jimmie D. Lawson, agus J. S. Pym. The Analytical and Topological Theory of Semigroups: Trend and Developments. Berlin ; New York: W. de Gruyter, 1990.
Lua MLA (9ú heag.)
ebrary, Inc, et al. The Analytical and Topological Theory of Semigroups: Trend and Developments. W. de Gruyter, 1990.
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