@article{VMUMM_1985_6_a12, author = {V. V. Kozlov and D. V. Treschev}, title = {Nonintegrability of the general problem of rotation of a dynamically symmetric heavy rigid body with a fixed {point.~I}}, journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika}, pages = {73--81}, publisher = {mathdoc}, number = {6}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/VMUMM_1985_6_a12/} }