The reflection principle in complex space Francine Meylan Indiana University Mathematics Journal 1995 text pdf 10.1512/iumj.1995.44.2008 10.1512/iumj.1995.44.2008 en Indiana Univ. Math. J. 44 (1995) 783 - 796 state-of-the-art mathematics http://iumj.org/access/