@article{VMUMM_1986_4_a6,
     author = {O. I. Morozov and I. N. Sergeev},
     title = {Destabilizability of linear {Hamiltonian} systems},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {38--41},
     year = {1986},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1986_4_a6/}
}