Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1998_34_11_a2, author = {A. P. Afanas'ev}, title = {On local variational problems with functional constraints}, journal = {Differencialʹnye uravneni\^a}, pages = {1459--1463}, publisher = {mathdoc}, volume = {34}, number = {11}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1998_34_11_a2/} }
A. P. Afanas'ev. On local variational problems with functional constraints. Differencialʹnye uravneniâ, Tome 34 (1998) no. 11, pp. 1459-1463. http://geodesic.mathdoc.fr/item/DE_1998_34_11_a2/