@article{VMUMM_2021_2_a11,
     author = {R. A. Vasin and O. I. Bylya and P. V. Chistyakov},
     title = {Some trends in ratcheting research},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {57--60},
     publisher = {mathdoc},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2021_2_a11/}
}