S.A. Shchogolev. On the Reduction of the Linear System of the Differential Equations with coefficients of oscillating type to the Triangular Kind in the Non-resonant Case. vestmathmcenu [Internet]. 2020 Mar. 30 [cited 2024 Dec. 27];130(1):82-9. Available from: https://bulmathmc.enu.kz/index.php/main/article/view/67