Chuiko, S., & Nesmelova, O. V. (2019). On the reduction of a nonlinear Noetherian differential-algebraic boundary-value problem to a noncritical case. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics, 90, 60-72. https://doi.org/10.26565/2221-5646-2019-90-04