Tham khảo Magma_(đại_số)

  1. ↑ Hausmann, B. A.; Ore, Øystein (tháng 10 năm 1937), “Theory of quasi-groups”, American Journal of Mathematics 59 (4): 983–1004, JSTOR 2371362, doi:10.2307/2371362 
  2. ↑ Hollings, Christopher (2014), Mathematics across the Iron Curtain: A History of the Algebraic Theory of Semigroups, American Mathematical Society, tr. 142–3, ISBN 978-1-4704-1493-1 
  3. ↑ Bergman, George M.; Hausknecht, Adam O. (1996), Cogroups and Co-rings in Categories of Associative Rings, American Mathematical Society, tr. 61, ISBN 978-0-8218-0495-7 
  4. ↑ Bourbaki, N. (1998) [1970], “Algebraic Structures: §1.1 Laws of Composition: Definition 1”, Algebra I: Chapters 1–3, Springer, tr. 1, ISBN 978-3-540-64243-5 
  5. 1 2 Müller-Hoissen, Folkert; Pallo, Jean Marcel; Stasheff, Jim biên tập (2012), Associahedra, Tamari Lattices and Related Structures: Tamari Memorial Festschrift, Springer, tr. 11, ISBN 978-3-0348-0405-9 
  6. ↑ Evseev, A. E. (1988), “A survey of partial groupoids”, trong Silver, Ben, Nineteen Papers on Algebraic Semigroups, American Mathematical Society, ISBN 0-8218-3115-1 

Tài liệu tham khảo

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