1. Bethman, J. (1988). The Lindeberg-Feller theorem for sums of a random number of independent random variables in a triangular array.Theory Prob. and its Appl. 33, 335–339.
2. Cramér, H. (1946).Mathematical Methods of Statistics, Princeton University Press, Princeton, New Jersey.
3. Finkelstein, M., and Tucker, H. G. (1990). A necessary and sufficient condition for convergence in law of random sums of random variables under nonrandom centering.Proc. A.M.S. 107, 1061–1070.
4. Finkelstein, M., Tucker, H. G., and Veeh, J. A. (1991). Convergence of random sums under nonrandom centering.Teoriia Veroyatnostyey i ee Primeneniia (Theory of Probabilities and its Applications)36, 397–402.
5. Gnedenko, B. V., and Fahim, H. (1969). On a transfer theorem.Soviet Math. Dokl. 10, 769–772.