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Hyers-Ulam stability of nonhomogeneous linear differential equations of second order. (English) Zbl 1181.34014
Summary: The aim of this paper is to prove the stability in the sense of Hyers-Ulam of the differential equation
$y''+p(x)y'+q(x)y+r(x)=0.$
That is, if $$f$$ is an approximate solution of thay equation then there exists an exact solution of this equation near to $$f$$.

##### MSC:
 34A30 Linear ordinary differential equations and systems 34D99 Stability theory for ordinary differential equations
Full Text:
##### References:
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