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@article{MZM_1981_30_3_a4, author = {I. Tazhimuratov}, title = {Periodic solutions of a system of first-order partial differential equations}, journal = {Matemati\v{c}eskie zametki}, pages = {363--369}, publisher = {mathdoc}, volume = {30}, number = {3}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1981_30_3_a4/} }
I. Tazhimuratov. Periodic solutions of a system of first-order partial differential equations. Matematičeskie zametki, Tome 30 (1981) no. 3, pp. 363-369. http://geodesic.mathdoc.fr/item/MZM_1981_30_3_a4/