Invariance principle for martingales on the plane
Central limit theorems and invariance principles for two-parameter strong martingale and near-martingale difference arrays are proved and the results of \textit{D. L. McLeish}, Ann. Probab. 2, 620-628 (1974; Zbl 0287.60025) generalized.
two-parameter strong martingale and near-martingale difference arrays
scientific article; zbMATH DE number 3909438