Andreieva, Daria, and Svetlana Ignatovich. “Homogeneous Approximations of Nonlinear Control Systems With Output and Weak Algebraic Equivalence”. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics 99 (May 24, 2024): 36-50. Accessed November 21, 2024. https://periodicals.karazin.ua/mech_math/article/view/23546.