@article{IIMI_2002_2_a19,
     author = {N. N. Petrov},
     title = {To the problem of group pursuit},
     journal = {Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta},
     pages = {73--74},
     year = {2002},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIMI_2002_2_a19/}
}