The effect of gas and fluid flows on nonlinear lateral vibrations of rotating drill strings. - Lelya Khajiyeva; Askar Kudaibergenov; Askat Kudaibergenov (Commun. Nonlinear Sci. Numer. Simul., 2018)

Analysis of Drill-String Nonlinear Dynamics Using the Lumped-Parameter Method. - Lelya Khajiyeva; Igor V. Andrianov; Yuliya F. Sabirova; Askar Kudaibergenov (Symmetry, 2022)