On solutions of the vector functional equation \(y(\xi(X))=f(X)\cdot A\cdot y(X)\). (English) Zbl 0375.34013


34A30 Linear ordinary differential equations and systems
39B42 Matrix and operator functional equations
39B05 General theory of functional equations and inequalities
34A25 Analytical theory of ordinary differential equations: series, transformations, transforms, operational calculus, etc.
34C25 Periodic solutions to ordinary differential equations
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