Gross, Benedict H. Max Planck Society;
Zagier, Don B. Max Planck Institute for Mathematics, Max Planck Society;
Buhler, J. P., Gross, B. H., & Zagier, D. B. (1985). On the conjecture of Birch and Swinnerton-Dyer for an elliptic curve of rank\quad 3. Mathematics of Computation, 44, 473-481.