Geodesic
Almost periodic solutions with a prescribed spectrum of systems of linear and quasilinear differential equations with almost periodic coefficients and constant time lag (Cauchy integral)
Mathematica Bohemica, Tome 124 (1999) no. 4, pp. 351-379.

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This paper generalizes earlier author's results where the linear and quasilinear equations with constant coefficients were treated. Here the method of limit passages and a fixed-point theorem is used for the linear and quasilinear equations with almost periodic coefficients.
DOI : 10.21136/MB.1999.126000
Classification : 34C27, 34K14, 42A75, 43A60
Keywords: almost periodic function; Fourier coefficient; Fourier exponent; spectrum of almost periodic function; almost periodic system of differential equations; formal almost periodic solution; distance of two spectra; time lag 
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     title = {Almost periodic solutions with a prescribed spectrum of systems of linear and quasilinear differential equations with almost periodic coefficients and constant time lag {(Cauchy} integral)},
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Fischer, Alexandr. Almost periodic solutions with a prescribed spectrum of systems of linear and quasilinear differential equations with almost periodic coefficients and constant time lag (Cauchy integral). Mathematica Bohemica, Tome 124 (1999) no. 4, pp. 351-379. doi : 10.21136/MB.1999.126000. http://geodesic.mathdoc.fr/articles/10.21136/MB.1999.126000/

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