On A. D. Aleksandrov's Inequalities for Mixed Discriminants Rolf Schneider Indiana University Mathematics Journal 1966 text pdf 10.1512/iumj.1966.15.15020 10.1512/iumj.1966.15.15020 en Indiana Univ. Math. J. 15 (1966) 285 - 290 state-of-the-art mathematics http://iumj.org/access/