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@article{MZM_1972_12_4_a9, author = {Yu. R. Vainberg}, title = {Manin homomorphisms for elliptic curves over a field of formal power series}, journal = {Matemati\v{c}eskie zametki}, pages = {425--432}, publisher = {mathdoc}, volume = {12}, number = {4}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1972_12_4_a9/} }
Yu. R. Vainberg. Manin homomorphisms for elliptic curves over a field of formal power series. Matematičeskie zametki, Tome 12 (1972) no. 4, pp. 425-432. http://geodesic.mathdoc.fr/item/MZM_1972_12_4_a9/