Gikhman, I. I. The square integrable difference martingales of two parameters. (Russian) Zbl 0399.60040 Teor. Veroyatn. Mat. Stat. 15, 21-30 (1976). Page: Show Scanned Page Cited in 4 Reviews MSC: 60G48 Generalizations of martingales Keywords:Quadratic Variation; Martingales of Two Parameters × Cite Format Result Cite Review PDF