@article{SM_1973_19_2_a13,
     author = {P. F. Kurchanov},
     title = {Elliptic curves of infinite rank over $\Gamma$-extensions},
     journal = {Sbornik. Mathematics},
     pages = {320--324},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1973_19_2_a13/}
}