@article{TVIM_2018_3_a1,
     author = {V. I. Voytitsky and N. D. Kopachevskii},
     title = {On small motions of a physical pendulum with cavity filled with a system of three homogeneous immiscible viscous fluids},
     journal = {Taurida Journal of Computer Science Theory and Mathematics},
     pages = {22--45},
     year = {2018},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVIM_2018_3_a1/}
}