Smoothness of solutions to the damping problem for nonstationary control system with delay of neutral type on the whole interval. (English. Russian original) Zbl 07891524
J. Math. Sci., New York 283, No. 2, 167-182 (2024); translation from Sovrem. Mat., Fundam. Napravl. 69, No. 1, 1-17 (2023).