@article{VUU_2008_1_a1,
     author = {I. N. Baranova},
     title = {About a~group pursuit in {L.\,S.~Pontriagin's} problem},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {27--34},
     publisher = {mathdoc},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2008_1_a1/}
}