@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/}
}