@article{VUU_2010_3_a10,
     author = {V. N. Ushakov and A. R. Matviychuk and P. D. Lebedev},
     title = {Defect of stability in game-pursuit problem},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {87--103},
     year = {2010},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2010_3_a10/}
}