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@article{FAA_1976_10_2_a14, author = {B. A. Kupershmidt}, title = {Lagrangian formalism in variational calculus}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {77--78}, publisher = {mathdoc}, volume = {10}, number = {2}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1976_10_2_a14/} }
B. A. Kupershmidt. Lagrangian formalism in variational calculus. Funkcionalʹnyj analiz i ego priloženiâ, Tome 10 (1976) no. 2, pp. 77-78. http://geodesic.mathdoc.fr/item/FAA_1976_10_2_a14/