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Author: Trch, Milan

• Trch, Milan: Grupoids and the associative law VII B (SH-grupoids and simply generated congruences). (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 52 (2011), issue 2, pp. 77-87
• Trch, Milan: Groupoids and the associative law IIIA. (Primitive extensions of SH-groupoids and their semigroup distances). (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 50 (2009), issue 1, pp. 73-82
• Trch, Milan: Groupoids and the associative law VIIA. (SH-groupoids of type (A, B, A) and their semigroup distances). (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 48 (2007), issue 1, pp. 43-54
• Trch, Milan: Groupoids and the associative law. VII. Semigroup distance of SH-groupoids. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 47 (2006), issue 1, pp. 57-63
• Kepka, Tomáš; Trch, Milan: Groupoids and the associative law III. (Szász-Hájek groupoids). (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 36 (1995), issue 1, pp. 17-30
• Kepka, Tomáš; Trch, Milan: Groupoids and the associative law V. (Szász-Hájek groupoids fo type (A, A, B)). (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 36 (1995), issue 1, pp. 31-44
• Kepka, Tomáš; Trch, Milan: Groupoids and the associative law IV. (Szász-Hájek Groupoids of Type (A, B, A)). (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 35 (1994), issue 1, pp. 31-42
• Kepka, Tomáš; Trch, Milan: Groupoids and the associative law II. (Groupoids with small semigroup distance). (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 34 (1993), issue 1, pp. 67-83
• Kepka, Tomáš; Trch, Milan: Groupoids and the associative law I. (Associative triples). (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 33 (1992), issue 1, pp. 69-86