@article{VMUMM_1986_1_a9,
     author = {V. V. Kozlov and D. V. Treschev},
     title = {Nonintegrability of general problem of rotation of a dynamically symmetrical heavy rigid body with a fixed point},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {39--44},
     publisher = {mathdoc},
     number = {1},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1986_1_a9/}
}