@article{TM_2019_304_a18,
     author = {V. N. Ushakov and V. I. Ukhobotov and A. E. Lipin},
     title = {An {Addition} to the {Definition} of a {Stable} {Bridge} and an {Approximating} {System} of {Sets} in {Differential} {Games}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {285--297},
     publisher = {mathdoc},
     volume = {304},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2019_304_a18/}
}