Chuiko, S. M., Chuiko, O. V., & Shevtsova, K. S. (2021). Linear differential-algebraic boundary value problem with singular pulse influence. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics, 94, 60-76. https://doi.org/10.26565/2221-5646-2021-94-04