The Uniformization Theorem for Circle Packings Alan BeardonKenneth Stephenson Indiana University Mathematics Journal 1990 text pdf 10.1512/iumj.1990.39.39062 10.1512/iumj.1990.39.39062 en Indiana Univ. Math. J. 39 (1990) 1383 - 1425 state-of-the-art mathematics http://iumj.org/access/