Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1995_31_11_a11, author = {A. V. Pukhlikov}, title = {Degenerations of {Hamiltonian} structures in optimal control problems}, journal = {Differencialʹnye uravneni\^a}, pages = {1874--1879}, publisher = {mathdoc}, volume = {31}, number = {11}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1995_31_11_a11/} }
A. V. Pukhlikov. Degenerations of Hamiltonian structures in optimal control problems. Differencialʹnye uravneniâ, Tome 31 (1995) no. 11, pp. 1874-1879. http://geodesic.mathdoc.fr/item/DE_1995_31_11_a11/