ABSTRACT
We consider the following system: https://www.w3.org/1998/Math/MathML"> E x . ( t ) = A x ( t ) , https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429325311/4f1192c3-edae-4b38-8f69-93f3caa81926/content/math7_1.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
