Domains in $\mathbb{C}^2$ with noncompact automorphism groups Eric BedfordSergey Pinchuk Indiana University Mathematics Journal 1998 text pdf 10.1512/iumj.1998.47.1552 10.1512/iumj.1998.47.1552 en Indiana Univ. Math. J. 47 (1998) 199 - 222 state-of-the-art mathematics http://iumj.org/access/