1Gregory J. Morrow,Walter Philipp. Invariance principles for partial sum processes and empirical processes indexed by sets[J] 1986,Probability Theory and Related Fields(1):11~42
2Istv?n Berkes,Gregory J. Morrow. Strong invariance principles for mixing random fields[J] 1981,Zeitschrift für Wahrscheinlichkeitstheorie und Verwandte Gebiete(1):15~37