@article{VTAMU_2024_29_146_a1,
     author = {S. M. Dzyuba},
     title = {About recurrent motions of periodic processes
 in a},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {138--148},
     year = {2024},
     volume = {29},
     number = {146},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2024_29_146_a1/}
}