ON PERIODIC APPROXIMATE SOLUTIONS OF DYNAMICAL SYSTEMS WITH QUADRATIC RIGHT-HAND SIDE Статья Baddour A., Malykh M., Sevastianov L. Journal of Mathematical Sciences (United States). Springer New York LLC. Том 261. 2022. С. 698-708
ON THE QUADRATIZATION OF THE INTEGRALS FOR THE MANY-BODY PROBLEM Статья Ying Y., Baddour A., Gerdt V.P., Malykh M., Sevastianov L. Mathematics. MDPI AG. Том 9. 2021.