@article{VUU_2013_4_a11,
     author = {D. V. Sakharov},
     title = {Problem of group pursuit in {a~Pontriagin's} example},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {125--131},
     publisher = {mathdoc},
     number = {4},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2013_4_a11/}
}