@article{IM2_1976_10_5_a1,
     author = {O. N. Vvedenskii},
     title = {On quasi-local {\textquotedblleft}class fields{\textquotedblright} of elliptic {curves.~I}},
     journal = {Izvestiya. Mathematics},
     pages = {913--936},
     year = {1976},
     volume = {10},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1976_10_5_a1/}
}