@article{SM_2019_210_5_a0,
     author = {V. A. Kibkalo},
     title = {Topological classification of {Liouville} foliations for the {Kovalevskaya} integrable case on the {Lie} algebra $\operatorname{so}(4)$},
     journal = {Sbornik. Mathematics},
     pages = {625--662},
     publisher = {mathdoc},
     volume = {210},
     number = {5},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2019_210_5_a0/}
}