Long-Range Invariance Principle Revisited Colston ChandlerA. Gibson Indiana University Mathematics Journal 1979 text pdf 10.1512/iumj.1979.28.28026 10.1512/iumj.1979.28.28026 en Indiana Univ. Math. J. 28 (1979) 389 - 403 state-of-the-art mathematics http://iumj.org/access/