Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_2011_90_2_a0, author = {A. A. Azamov}, title = {On {Pontryagin's} {First} {Direct} {Method} in {Pursuit} {Problems}}, journal = {Matemati\v{c}eskie zametki}, pages = {163--167}, publisher = {mathdoc}, volume = {90}, number = {2}, year = {2011}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2011_90_2_a0/} }
A. A. Azamov. On Pontryagin's First Direct Method in Pursuit Problems. Matematičeskie zametki, Tome 90 (2011) no. 2, pp. 163-167. http://geodesic.mathdoc.fr/item/MZM_2011_90_2_a0/