@article{IVP_2021_29_5_a3,
     author = {A. A. Alifov},
     title = {Mixed forced, parametric, and self-oscillations with nonideal energy source and lagging forces},
     journal = {Izvestiya VUZ. Applied Nonlinear Dynamics},
     pages = {739--750},
     publisher = {mathdoc},
     volume = {29},
     number = {5},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVP_2021_29_5_a3/}
}