“The main achievements of academician N. N. Bogolyubov in the area of nonlinear mechanics (Kiev period of N. N. Bobolyubov’s work)” (2000) Neliniini Kolyvannya, 3(2), pp. 147–153. Available at: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/105 (Accessed: 22 January 2026).