For citations:

Lovchakov V.I., Shibyakin O.A. Modified Butterworth Filters in Solving the Inverse Problem of Analytical Design of Optimal Controllers. Mekhatronika, Avtomatizatsiya, Upravlenie. 2021;22(2):71-82. (In Russ.) https://doi.org/10.17587/mau.22.71-82