Сысоев, Д. В. 2017. “A сondition for the Existence of a Unique Equilibrium Position of the Cauchy Problem for Linear Matrix Differential Algebraic Equations.”. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics 86 (December), 10-17. https://doi.org/10.26565/2221-5646-2017-86-02.