@article{SM_2014_205_7_a5,
     author = {P. E. Ryabov},
     title = {The phase topology of a~special case of {Goryachev} integrability in rigid body dynamics},
     journal = {Sbornik. Mathematics},
     pages = {1024--1044},
     publisher = {mathdoc},
     volume = {205},
     number = {7},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2014_205_7_a5/}
}