@article{DAN_1974_219_6_a3,
     author = {O. N. Vvedenskii},
     title = {On duality in elliptic curves over a quasi-local field},
     journal = {Doklady Akademii Nauk},
     pages = {1291--1293},
     publisher = {mathdoc},
     volume = {219},
     number = {6},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_219_6_a3/}
}