Nonuniform central limit bounds and their applications M. Polak; Z. Rychlik — 1987 Colloquium Mathematicae
On the limit behaviour of sums of a random number of independent random variables Z. Rychlik; D. Szynal — 1973 Colloquium Mathematicae
On the rate of convergence in the central limit theorem Z. Rychlik; D. Szynal — 1979 Banach Center Publications