@article{JRAM_1977__296_151936,
     author = {Fritz J. Grunewald and Rainer Zimmert},
     title = {\"Uber einige rationale elliptische {Kurven} mit freiem {Rang} ... 8.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {100--107},
     publisher = {mathdoc},
     volume = {296},
     year = {1977},
     zbl = {0357.14011},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1977__296_151936/}
}