1. Beránek J., Chvalina J.: From groups of linear functions to noncommutative transposition hypergroups. Dept. Math. Report Series, 7, University of South Bohemia 1999, 1 - 10.
  2. Bloom W.R., Heyer H.: 
Harmonic Analysis of Probability Measures on Hypergroups. Walter de Gruyter, Berlin – New York, 1994. 
MR 1312826  3. Borůvka O.: 
Linear Differential Transformations of the Second Order. English Univ. Press, London, 1971. 
MR 0463539  4. Chvalina J.: Functional Graphs, Quasi-ordered Sets and Commutative Hypergroups. Masaryk University, Brno, 1995 (Czech).
  5. Chvalina J., Chvalinová L.: 
State hypergroups of automata. Acta Math. Informat. Univ. Ostraviensis 4 (1996), 105–120. 
MR 1446788 | 
Zbl 0870.20053  7. Hort D.: Hypergroups and Ordered Sets. Thesis, Masaryk University, Brno, 1999.
  8. Jantosciak J.: 
Transposition in hypergroups. VI. Internat. Congr. Alg. Hyperstructures and Appl., Democritus Univ. of Trace, Alexandroupolis (1966),77–84. 
MR 1465194 10. Kolchin E.R.: 
Differential Algebraic Groups. Academic Press, London 1973. 
MR 0776230 11. Moučka J.: Hypergroups determined by Automata and Ordered Sets. Thesis, Milit. Academy of Ground Forces, Vyškov 1997 (Czech).
 12. Neuman F.: 
From local to global investigations of linear differential equations of the n-th order. Jahrbuch. Überblicke Math. 1984, 55–68. 
Zbl 0548.34009 13. Neuman F.: 
Algebraic aspects of transformations with an application to differential equations. Nonlinear Analysis 40 (2000), 505–511. 
MR 1768906 | 
Zbl 0957.34008 14. Novotný M.: 
Ternary structures and groupoids. Czech. Math. J. 41 (1991),90–98. 
MR 1087627 15. Rosenberg I.G.: 
Hypergroups and join spaces determined by relations. Italian J. Pure and Appl. Math. 4 (1998), 93–101. 
MR 1695479 | 
Zbl 0962.20055 16. Trimèche K.: 
Generalized Wavelets and Hypergroups. Gordon and Breach Science Publishers, Amsterdam 1997.  
MR 1489523 | 
Zbl 0926.42016