“Asymptotics of the General Solution of a Linear Homogeneous Singularly Perturbed System of Differential Equations for Problems of Dynamics of Stability of Circular Cylindrical Shells”. Neliniini Kolyvannya, vol. 23, no. 3, Sept. 2020, pp. 363-88, https://twinhead.imath.kiev.ua/index.php/nosc/article/view/996.