@article{VMUMM_2016_3_a8,
     author = {V. A. Kibkalo},
     title = {The topology of the analog of {Kovalevskaya} integrability case on the {Lie} algebra $\mathrm{so}(4)$ under zero area integral},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {46--50},
     publisher = {mathdoc},
     number = {3},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2016_3_a8/}
}