Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_2002_38_1_a15, author = {S. B. Rukhlina}, title = {A {Class} of {Extremal} {Problems} for {Partial} {Differential} {Equations}}, journal = {Differencialʹnye uravneni\^a}, pages = {102--110}, publisher = {mathdoc}, volume = {38}, number = {1}, year = {2002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2002_38_1_a15/} }
S. B. Rukhlina. A Class of Extremal Problems for Partial Differential Equations. Differencialʹnye uravneniâ, Tome 38 (2002) no. 1, pp. 102-110. http://geodesic.mathdoc.fr/item/DE_2002_38_1_a15/