Geodesic
Construction of a~system of linear differential equations from a~scalar equation
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Differential equations and topology. II, Tome 271 (2010), pp. 335-351.

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As is well known, given a Fuchsian differential equation, one can construct a Fuchsian system with the same singular points and monodromy. In the present paper, this fact is extended to the case of linear differential equations with irregular singularities. 
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I. V. V'yugin; R. R. Gontsov. Construction of a~system of linear differential equations from a~scalar equation. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Differential equations and topology. II, Tome 271 (2010), pp. 335-351. http://geodesic.mathdoc.fr/item/TM_2010_271_a21/

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