On the elliptic Stark conjecture at primes of multiplicative reduction Daniele CasazzaVictor Rotger Indiana University Mathematics Journal 2019 text pdf 10.1512/iumj.2019.68.7704 10.1512/iumj.2019.68.7704 en Indiana Univ. Math. J. 68 (2019) 1233 - 1253 state-of-the-art mathematics http://iumj.org/access/