Limit Theorems for the Split Times of Branching Processes Krishna AthreyaSamuel Karlin Indiana University Mathematics Journal 1968 text pdf 10.1512/iumj.1968.17.17014 10.1512/iumj.1968.17.17014 en Indiana Univ. Math. J. 17 (1968) 257 - 277 state-of-the-art mathematics http://iumj.org/access/