@article{VUU_2007_1_a2,
     author = {A. I. Blagodatskikh},
     title = {About a problem of group pursuit in non-stationary {Pontriagin's} problem},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {17--24},
     year = {2007},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2007_1_a2/}
}