| Title: | Remarks on tolerance semigroups (English) | 
| Author: | Drbohlav, Karel | 
| Language: | English | 
| Journal: | Commentationes Mathematicae Universitatis Carolinae | 
| ISSN: | 0010-2628 (print) | 
| ISSN: | 1213-7243 (online) | 
| Volume: | 21 | 
| Issue: | 3 | 
| Year: | 1980 | 
| Pages: | 447-456 | 
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| Category: | math | 
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| MSC: | 20M15 | 
| MSC: | 22A15 | 
| idZBL: | Zbl 0444.20059 | 
| idMR: | MR590125 | 
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| Date available: | 2008-06-05T21:05:13Z | 
| Last updated: | 2012-04-28 | 
| Stable URL: | http://hdl.handle.net/10338.dmlcz/106011 | 
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| Reference: | [1] DRBOHLAV K.: Remarks  on tolerance algebras.Acta Universitatis   Carolinae, Mathematica et Physica (to appear). MR 0635972 | 
| Reference: | [2] HOFMANN K. H., MOSTERT P. S.: Elements  of compact semigroups.Merrill Books Inc., Columbus 1966. Zbl 0161.01901, MR 0209387 | 
| Reference: | [3] PULTR A.: An analogon of the fixed-point theorem and its application for graphs.Comment. Math. Univ. Carolinae 4 (1963), 121-136. Zbl 0151.30902, MR 0188104 | 
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