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@article{DE_2001_37_11_a1, author = {N. A. Bobylev and S. V. Emel'yanov and S. K. Korovin}, title = {An {Approach} to {Variational} {Problems}}, journal = {Differencialʹnye uravneni\^a}, pages = {1453--1461}, publisher = {mathdoc}, volume = {37}, number = {11}, year = {2001}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2001_37_11_a1/} }
N. A. Bobylev; S. V. Emel'yanov; S. K. Korovin. An Approach to Variational Problems. Differencialʹnye uravneniâ, Tome 37 (2001) no. 11, pp. 1453-1461. http://geodesic.mathdoc.fr/item/DE_2001_37_11_a1/