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@article{MZM_1989_46_3_a7, author = {Zh. V. Piyadina}, title = {An analog of the {Hardy--Littlewood} equation}, journal = {Matemati\v{c}eskie zametki}, pages = {58--67}, publisher = {mathdoc}, volume = {46}, number = {3}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1989_46_3_a7/} }
Zh. V. Piyadina. An analog of the Hardy--Littlewood equation. Matematičeskie zametki, Tome 46 (1989) no. 3, pp. 58-67. http://geodesic.mathdoc.fr/item/MZM_1989_46_3_a7/