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@article{TM_1999_225_a25, author = {S. P. Tsarev}, title = {On {Darboux-Integrable} {Nonlinear} {Partial} {Differential} {Equations}}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {389--399}, publisher = {mathdoc}, volume = {225}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1999_225_a25/} }
S. P. Tsarev. On Darboux-Integrable Nonlinear Partial Differential Equations. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Solitons, geometry, and topology: on the crossroads, Tome 225 (1999), pp. 389-399. http://geodesic.mathdoc.fr/item/TM_1999_225_a25/