Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1994_4_a3, author = {N. N. Petrov}, title = {On certain problems on a~group pursuit with phase constraints}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {24--29}, publisher = {mathdoc}, number = {4}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1994_4_a3/} }
N. N. Petrov. On certain problems on a~group pursuit with phase constraints. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1994), pp. 24-29. http://geodesic.mathdoc.fr/item/IVM_1994_4_a3/