@article{TRSPY_2020_308_a3,
     author = {P. M. Akhmet'ev},
     title = {Knot {Invariants} in {Geodesic} {Flows}},
     journal = {Informatics and Automation},
     pages = {50--64},
     publisher = {mathdoc},
     volume = {308},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2020_308_a3/}
}