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@article{FAA_1974_8_3_a6, author = {S. P. Novikov}, title = {The periodic problem for the {Korteweg--de} {Vries} equation}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {54--66}, publisher = {mathdoc}, volume = {8}, number = {3}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1974_8_3_a6/} }
S. P. Novikov. The periodic problem for the Korteweg--de Vries equation. Funkcionalʹnyj analiz i ego priloženiâ, Tome 8 (1974) no. 3, pp. 54-66. http://geodesic.mathdoc.fr/item/FAA_1974_8_3_a6/