Koval’, T. L. On the accuracy of normal approximation of a weighted sum of random variables that form a two-parameter martingale difference. (English. Ukrainian original) Zbl 0842.60044 Theory Probab. Math. Stat. 48, 19-23 (1994); translation from Teor. Jmovirn. Mat. Stat. 48, 29-35 (1993). Summary: The rate of convergence in the central limit theorem is obtained for weighted sums of bounded with probability 1 random variables that form a martingale difference on a plane. MSC: 60G50 Sums of independent random variables; random walks 60G48 Generalizations of martingales Keywords:rate of convergence; central limit theorem; martingale difference PDFBibTeX XMLCite \textit{T. L. Koval'}, Theory Probab. Math. Stat. 48, 1 (1993; Zbl 0842.60044); translation from Teor. Jmovirn. Mat. Stat. 48, 29--35 (1993)