References
O. Borůvka, Úvod do teorie grup. Královská česká společnost nauk (Praha. 1944).
O. Borůvka, Linear Differential Transformations of the Second Order, The English University Press (London, 1971).
M. Laitoch, To the theory of linear difference equations, Acta Univ. Palackianae Olomucensis (Olomouc), Math., F.R.N., 79 (1984), 11–24.
M. Laitoch, A contribution to the phase theory of a linear second-order differential equation in the Jacobian form, Mathematica XXXI, SPN (Praha 1992), AUPO, F.R.N., 110, 99–110.
J. Laitochová, On a fundamental central dispersion of the first kind and the Abel functional equation in strongly regular spaces of continuous functions, Mathematica XXVIII, SPN (Praha, 1989), AUPO, F.R.N., 94, 165–175.
K. Stach, Eine Äquivalenzrelation in der Kategorie der Phasenfunktionen, Scripta Fac. Sci. Natur. UJEP Brunensis, Arch. Math., 4, VII (1971), 159–166.
K. Stach, Die Kategorie der Phasenfunktionen, Spisy přírodov. fak. UJEP v Brně, 508 (1969), 379–386.
E. Tesaříková, To the teory of central dispersions for the linear differential equations y″=q(t)y of a finite type, special, Mathematica XXVI, SPN (Praha, 1987), AUPO, F.R.N., 88, 95–128.
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Laitochová, J. Algebraic structure of phase functions. Acta Math Hung 73, 301–318 (1996). https://doi.org/10.1007/BF00052906
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DOI: https://doi.org/10.1007/BF00052906