@article{VMUMM_1984_5_a3,
     author = {V. S. Kozlova},
     title = {Structural stability of a discontinuous system},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {16--20},
     year = {1984},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1984_5_a3/}
}